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Math Mathematical Methods in the Physical Sciences

For each of the following numbers, first visualize where it is in the complex plane. With a little practice you can quickly find x , y , r , θ in your head for these simple problems. Then plot the number and label it in five ways as in Figure 3.3. Also plot the complex conjugate of the number. 2i-2

For each of the following numbers, first visualize where it is in the complex plane. With a little practice you can quickly find x , y , r , θ in your head for these simple problems. Then plot the number and label it in five ways as in Figure 3.3. Also plot the complex conjugate of the number. 2i-2

Mathematical Methods in the Physical Sciences

Mathematical Methods in the Physical Sciences

3rd Edition

ISBN: 9780471198260

Author: Mary L. Boas

Publisher: Wiley, John & Sons, Incorporated

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Chapter 2.4, Problem 9P

For each of the following numbers, first visualize where it is in the complex plane. With a little practice you can quickly find x , y , r , θ in your head for these simple problems. Then plot the number and label it in five ways as in Figure 3.3. Also plot the complex conjugate of the number.

2i-2

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Chapter 2.4, Problem 8P

Chapter 2.4, Problem 10P

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For each of the following numbers, first visualize where it is in the complex plane. With a little practice you can quickly find æ, Y, r, 0 in your head for these simple problems. Then plot the number and label it in five ways as in Figure 3.3. Also plot the complex conjugate of the number. 1. 1+i 2. i - 1 3. 1- iv3 4. -v3+i 5. 2i 6. -4i 7. -1 8. 3 9. 2i – 2 10. 2 – 2i 11. 2 ( cos +i sin 2т 37 12. 4 i sin 13. + i sin COS Cos 2 2 14. 2 (cos + 2 ( cos 15. COS IT i sin 7 16. 5(cos 0 + i sin 0) Vze-iz/4 17. 18. 3e/2 19. 5(cos 20° + i sin 20°) 20. 7(cos 110° – i sin 110°)

įl1 + ¿13 Which of the following is equivalent to the complex number shown above? Note: i = V-1

%24 Express -64- V-49 as a complex number (in terms of i): V-64--49 = > Next Question SEP 30 MacBook Air esc F2 F3 FA F5 888 23 2. 4. tab caps lock shift C.

Chapter 2 Solutions

Mathematical Methods in the Physical Sciences

Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...

Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.4 - For each of the following numbers, first visualize...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - First simplify each of the following numbers to...Ch. 2.5 - Find each of the following in rectangular (a+bi)...Ch. 2.5 - Find each of the following in rectangular (a+bi)...Ch. 2.5 - Find each of the following in rectangular (a+bi)...Ch. 2.5 - Find each of the following in rectangular (a+bi)...Ch. 2.5 - Find each of the following in rectangular (a+bi)...Ch. 2.5 - Find each of the following in rectangular (a+bi)...Ch. 2.5 - Prove that the conjugate of the quotient of two...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Find the absolute value of each of the following...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Solve for all possible values of the real numbers...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Describe geometrically the set of points in the...Ch. 2.5 - Show that z1z2 is the distance between the points...Ch. 2.5 - Find x and y as functions of t for the example...Ch. 2.5 - Find and a if z=(1it)/(2t+i).Ch. 2.5 - Find and a if z=cos2t+isin2t. Can you describe...Ch. 2.6 - Prove that an absolutely convergent series of...Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Test each of the following series for convergence....Ch. 2.6 - Prove that a series of complex terms diverges if...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Find the disk on convergence for each of the...Ch. 2.7 - Verify the series in (7.3) by computer. Also show...Ch. 2.8 - Show from the power series (8.1) that...Ch. 2.8 - Show from the power series (8.1) that ddzez=ez Ch. 2.8 - Find the power series for excosx and for exsinx...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Express the following complex numbers in the x+iy...Ch. 2.9 - Show that for any real y,eiy=1. Hence show that...Ch. 2.9 - Show that the absolute value of a product of two...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Use Problems 27 and 28 to find the following...Ch. 2.9 - Prob. 38P Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Follow steps (a), (b), (c) above to find all the...Ch. 2.10 - Using the fact that a complex equation is really...Ch. 2.10 - As in Problem 27, find the formulas for sin3 and...Ch. 2.10 - Show that the center of mass of three identical...Ch. 2.10 - Show that the sum of the three cube roots of 8 is...Ch. 2.10 - Show that the sum of the n nth roots of any...Ch. 2.10 - The three cube roots of +1 are often called...Ch. 2.10 - Verify the results given for the roots in Example...Ch. 2.11 - Define sin z and Cos z by their power series....Ch. 2.11 - Solve the equations ei=cosisin,forcosandsin and so...Ch. 2.11 - Find each of the following in rectangular form...Ch. 2.11 - Find each of the following in rectangular form...Ch. 2.11 - Find each of the following in rectangular form...Ch. 2.11 - Find each of the following in rectangular form...Ch. 2.11 - Find each of the following in rectangular form...Ch. 2.11 - Find each of the following in rectangular form...Ch. 2.11 - Find each of the following in rectangular form...Ch. 2.11 - Find each of the following in rectangular form...Ch. 2.11 - In the following integrals express the sines and...Ch. 2.11 - In the following integrals express the sines and...Ch. 2.11 - In the following integrals express the sines and...Ch. 2.11 - In the following integrals express the sines and...Ch. 2.11 - In the following integrals express the sines and...Ch. 2.11 - In the following integrals express the sines and...Ch. 2.11 - Evaluate eax(acosbx+bsinbx)a2+b2 and take real...Ch. 2.11 - Evaluate e(a+ib)xdx and take real and imaginary...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Verify each of the following by using equations...Ch. 2.12 - Show that enz=(coshz+sinhz)n=coshnz+sinhnz. Use...Ch. 2.12 - Use a computer to plot graphs of sinh x, cosh x,...Ch. 2.12 - Using (12.2) and (8. l), find, in summation form,...Ch. 2.12 - Find the real part, the imaginary part and the...Ch. 2.12 - Find the real part, the imaginary part and the...Ch. 2.12 - Find the real part, the imaginary part and the...Ch. 2.12 - Find the real part, the imaginary part and the...Ch. 2.12 - Find the real part, the imaginary part and the...Ch. 2.12 - Find the real part, the imaginary part and the...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - Find each of the following in the x+iy form and...Ch. 2.12 - The functions sin t, cos t, â€¦, are called...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Prob. 12P Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Evaluate each if the following in x+iy, and...Ch. 2.14 - Show that (ab)c can have more values than abc. As...Ch. 2.14 - Use a computer to find the three solutions of the...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Prob. 7P Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Find each of the following in the x+iy form and...Ch. 2.15 - Show that tan z never takes the values +1. Hint:...Ch. 2.15 - Show that tanh z never takes the values +1.Ch. 2.16 - Show that if the line through the origin and the...Ch. 2.16 - In each of the following problems, z represents...Ch. 2.16 - In each of the following problems, z represents...Ch. 2.16 - Z=(1+i)t-(2+i)(1-t). Hint: Show that the particle...Ch. 2.16 - z=z1t+z2(1t). Hint: See Problem 4; the straight...Ch. 2.16 - In electricity we learn that the resistance of two...Ch. 2.16 - In electricity we learn that the resistance of two...Ch. 2.16 - Find the impedance of the circuit in Figure 16.2...Ch. 2.16 - For the circuit in Figure 16.1: (a) Find in terms...Ch. 2.16 - Repeat Problem 9 for a circuit consisting of R, L,...Ch. 2.16 - Prove that...Ch. 2.16 - In optics, the following expression needs to be...Ch. 2.16 - Verify that eit, eit, cost, and sint satisfy...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Find one or more values of each of the following...Ch. 2.17 - Prob. 13MP Ch. 2.17 - Find the disk of convergence of the series ...Ch. 2.17 - For what z is the series z1nn absolutely...Ch. 2.17 - Describe the set of points z for which Re(ei/2z)2.Ch. 2.17 - Verify the formulas in Problems 17 to 24....Ch. 2.17 - Verify the formulas in Problems 17 to 24....Ch. 2.17 - Verify the formulas in Problems 17 to 24....Ch. 2.17 - Verify the formulas in Problems 17 to 24....Ch. 2.17 - Verify the formulas in Problems 17 to 24....Ch. 2.17 - Verify the formulas in Problems 17 to 24....Ch. 2.17 - Verify the formulas in Problems 17 to 24....Ch. 2.17 - Verify the formulas in Problems 17 to 24....Ch. 2.17 - (a) Show that cosz=cosz. (b) Is sinz=sinz? (c) If...Ch. 2.17 - Find 2eiiiei+2. Hint: See equation (5.1).Ch. 2.17 - Show that Rez=12(z+z) and that Imz=(1/2i)(zz)....Ch. 2.17 - Evaluate the following absolute square of a...Ch. 2.17 - If z=ab and 1a+b=1a+1b, find z.Ch. 2.17 - Write the series for ex(1+i). Write 1+i in the rei...Ch. 2.17 - Show that if a sequence of complex numbers tends...Ch. 2.17 - Use a series you know to show that n=0(1+i)nn!=e.

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