Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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7. Show that for R sufficiently large, the polynomial P(z) in Example 3, Sec. 5, satisfies
the inequality
|P(z)| R.
Suggestion: Observe that there is a positive number R such that the modulus of
each quotient in inequality (9), Sec. 5, is less than |an|/n when |z| > R.
9. Establish the identity
1-
1+z+z² +
2n+1
...
+z" =
1- z
(z1)
and then use it to derive Lagrange's trigonometric identity:
1
1+ cos cos 20 +... + cos no =
+
2
sin[(2n+1)0/2]
2 sin(0/2)
(0 < 0 < 2л).
Suggestion: As for the first identity, write S = 1+z+z² +...+z" and consider
the difference S - zS. To derive the second identity, write z =
eie in the first one.
8. Prove that two nonzero complex numbers z₁ and Z2 have the same moduli if and only if
there are complex numbers c₁ and c₂ such that Z₁ = c₁C2 and Z2 = c1c2.
Suggestion: Note that
(i≤
exp (101+0) exp (01-02)
and [see Exercise 2(b)]
2
02
Ꮎ
-
= = exp(i01)
exp(101+0) exp (i 01 - 02 ) = exp(102).
i
2
2
Chapter 2 Solutions
Advanced Engineering Mathematics
Ch. 2.1 - Prob. 1PCh. 2.1 - Reduction. Show that F(y, y′, y″) = 0 can be...Ch. 2.1 - 3–10 REDUCTION OF ORDER
Reduce to first order and...Ch. 2.1 - 3–10 REDUCTION OF ORDER
Reduce to first order and...Ch. 2.1 - 3–10 REDUCTION OF ORDER
Reduce to first order and...Ch. 2.1 - 3–10 REDUCTION OF ORDER
Reduce to first order and...Ch. 2.1 - 3–10 REDUCTION OF ORDER
Reduce to first order and...Ch. 2.1 - 3–10 REDUCTION OF ORDER
Reduce to first order and...Ch. 2.1 - 3–10 REDUCTION OF ORDER
Reduce to first order and...Ch. 2.1 - 3–10 REDUCTION OF ORDER
Reduce to first order and...
Ch. 2.1 - 11–14 APPLICATIONS OF REDUCIBLE...Ch. 2.1 - 11–14 APPLICATIONS OF REDUCIBLE ODEs
12. Hanging...Ch. 2.1 - APPLICATIONS OF REDUCIBLE ODEs
13. Motion. If, in...Ch. 2.1 - Motion. In a straight-line motion, let the...Ch. 2.1 - GENERAL SOLUTION. INITIAL VALUE PROBLEM...Ch. 2.1 - GENERAL SOLUTION. INITIAL VALUE PROBLEM...Ch. 2.1 - GENERAL SOLUTION. INITIAL VALUE PROBLEM...Ch. 2.1 - GENERAL SOLUTION. INITIAL VALUE PROBLEM...Ch. 2.1 - GENERAL SOLUTION. INITIAL VALUE PROBLEM...Ch. 2.2 - 1–15 GENERAL SOLUTION
Find a general solution....Ch. 2.2 - 1–15 GENERAL SOLUTION
Find a general solution....Ch. 2.2 - 1–15 GENERAL SOLUTION
Find a general solution....Ch. 2.2 - Find a general solution. Check your answer by...Ch. 2.2 - Find a general solution. Check your answer by...Ch. 2.2 - Find a general solution. Check your answer by...Ch. 2.2 - 1–15 GENERAL SOLUTION
Find a general solution....Ch. 2.2 - Find a general solution. Check your answer by...Ch. 2.2 - 1–15 GENERAL SOLUTION
Find a general solution....Ch. 2.2 - GENERAL SOLUTION
Find a general solution. Check...Ch. 2.2 - 1–15 GENERAL SOLUTION
Find a general solution....Ch. 2.2 - 1–15 GENERAL SOLUTION
Find a general solution....Ch. 2.2 - Find a general solution. Check your answer by...Ch. 2.2 - Find a general solution. Check your answer by...Ch. 2.2 - Find a general solution. Check your answer by...Ch. 2.2 - 16–20 FIND AN ODE
for the given basis.
16.
Ch. 2.2 - 16–20 FIND AN ODE
for the given basis.
17.
Ch. 2.2 - 16–20 FIND AN ODE
for the given basis.
18.
Ch. 2.2 - 16–20 FIND AN ODE
for the given basis.
19.
Ch. 2.2 - 16–20 FIND AN ODE
for the given basis.
20.
Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - INITIAL VALUES PROBLEMS
Solve the IVP. Check that...Ch. 2.2 - Solve the IVP. Check that your answer satisfies...Ch. 2.2 - LINEAR INDEPENDENCE is of basic importance, in...Ch. 2.2 - LINEAR INDEPENDENCE is of basic importance, in...Ch. 2.2 - Prob. 33PCh. 2.2 - Prob. 34PCh. 2.2 - Prob. 35PCh. 2.2 - LINEAR INDEPENDENCE is of basic importance, in...Ch. 2.2 - Instability. Solve y″ − y = 0 for the initial...Ch. 2.3 - Apply the given operator to the given functions....Ch. 2.3 - Apply the given operator to the given functions....Ch. 2.3 - Apply the given operator to the given functions....Ch. 2.3 - Prob. 4PCh. 2.3 - Apply the given operator to the given functions....Ch. 2.3 - Factor as in the text and solve.
(D2 + 4.00D +...Ch. 2.3 - Factor as in the text and solve.
(4D2 − I)y = 0
Ch. 2.3 - Factor as in the text and solve.
(D2 + 3I)y = 0
Ch. 2.3 - Factor as in the text and solve.
(D2 − 4.20D +...Ch. 2.3 - Factor as in the text and solve.
(D2 + 4.80D +...Ch. 2.3 - Factor as in the text and solve.
(D2 − 4.00D +...Ch. 2.3 - Prob. 12PCh. 2.3 - Linear operator. Illustrate the linearity of L in...Ch. 2.3 - Double root. If D2 + aD + bI has distinct roots μ...Ch. 2.3 - Definition of linearity. Show that the definition...Ch. 2.4 - Initial value problem. Find the harmonic motion...Ch. 2.4 - Frequency. If a weight of 20 nt (about 4.5 lb)...Ch. 2.4 - Frequency. How does the frequency of the harmonic...Ch. 2.4 - Initial velocity. Could you make a harmonic...Ch. 2.4 - Springs in parallel. What are the frequencies of...Ch. 2.4 - Spring in series. If a body hangs on a spring s1...Ch. 2.4 - Prob. 7PCh. 2.4 - Prob. 8PCh. 2.4 - HARMONIC OSCILLATIONS (UNDAMPED MOTION)
9....Ch. 2.4 - Prob. 11PCh. 2.4 - DAMPED MOTION
12. Overdamping. Show that in the...Ch. 2.4 - DAMPED MOTION
13. Initial value problem. Find the...Ch. 2.4 - DAMPED MOTION
14. Shock absorber. What is the...Ch. 2.4 - DAMPED MOTION
15. Frequency. Find an approximation...Ch. 2.4 - DAMPED MOTION
16. Maxima. Show that the maxima of...Ch. 2.4 - DAMPED MOTION
17. Underdamping. Determine the...Ch. 2.4 - DAMPED MOTION
18. Logarithmic decrement. Show that...Ch. 2.4 - DAMPED MOTION
19. Damping constant. Consider an...Ch. 2.5 - Prob. 1PCh. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - Prob. 9PCh. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - Find a real general solution. Show the details of...Ch. 2.5 - INITIAL VALUE PROBLEM
Solve and graph the...Ch. 2.5 - INITIAL VALUE PROBLEM
Solve and graph the...Ch. 2.5 - INITIAL VALUE PROBLEM
Solve and graph the...Ch. 2.5 - INITIAL VALUE PROBLEM
Solve and graph the...Ch. 2.5 - INITIAL VALUE PROBLEM
Solve and graph the...Ch. 2.5 - INITIAL VALUE PROBLEM
Solve and graph the...Ch. 2.5 - INITIAL VALUE PROBLEM
Solve and graph the...Ch. 2.5 - INITIAL VALUE PROBLEM
Solve and graph the...Ch. 2.6 - Derive (6*) from (6).
Ch. 2.6 - BASIS OF SOLUTIONS. WRONSKIAN
Find the Wronskian....Ch. 2.6 - BASIS OF SOLUTIONS. WRONSKIAN
Find the Wronskian....Ch. 2.6 - BASIS OF SOLUTIONS. WRONSKIAN
Find the Wronskian....Ch. 2.6 - BASIS OF SOLUTIONS. WRONSKIAN
Find the Wronskian....Ch. 2.6 - BASIS OF SOLUTIONS. WRONSKIAN
Find the Wronskian....Ch. 2.6 - BASIS OF SOLUTIONS. WRONSKIAN
Find the Wronskian....Ch. 2.6 - BASIS OF SOLUTIONS. WRONSKIAN
Find the Wronskian....Ch. 2.6 - Prob. 9PCh. 2.6 - ODE FOR GIVEN BASIS. WRONSKIAN. IVP
(a) Find a...Ch. 2.6 - ODE FOR GIVEN BASIS. WRONSKIAN. IVP
(a) Find a...Ch. 2.6 - ODE FOR GIVEN BASIS. WRONSKIAN. IVP
(a) Find a...Ch. 2.6 - ODE FOR GIVEN BASIS. WRONSKIAN. IVP
(a) Find a...Ch. 2.6 - ODE FOR GIVEN BASIS. WRONSKIAN. IVP
(a) Find a...Ch. 2.6 - ODE FOR GIVEN BASIS. WRONSKIAN. IVP
(a) Find a...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: GENERAL SOLUTION
Find...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: IVPs
Solve the initial...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: IVPs
Solve the initial...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: IVPs
Solve the initial...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: IVPs
Solve the initial...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: IVPs
Solve the initial...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: IVPs
Solve the initial...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: IVPs
Solve the initial...Ch. 2.7 - NONHOMOGENEOUS LINEAR ODEs: IVPs
Solve the initial...Ch. 2.7 - CAS PROJECT. Structure of Solutions of Initial...Ch. 2.8 - Prob. 2PCh. 2.8 - Find the steady-state motion of the mass–spring...Ch. 2.8 - Find the steady-state motion of the mass–spring...Ch. 2.8 - Find the steady-state motion of the mass–spring...Ch. 2.8 - Prob. 6PCh. 2.8 - Prob. 7PCh. 2.8 - TRANSIENT SOLUTIONS
Find the transient motion of...Ch. 2.8 - TRANSIENT SOLUTIONS
Find the transient motion of...Ch. 2.8 - TRANSIENT SOLUTIONS
Find the transient motion of...Ch. 2.8 - TRANSIENT SOLUTIONS
Find the transient motion of...Ch. 2.8 - Prob. 12PCh. 2.8 - Prob. 13PCh. 2.8 - TRANSIENT SOLUTIONS
Find the transient motion of...Ch. 2.8 - TRANSIENT SOLUTIONS
Find the transient motion of...Ch. 2.8 - INITIAL VALUE PROBLEMS
Find the motion of the...Ch. 2.8 - Prob. 17PCh. 2.8 - INITIAL VALUE PROBLEMS
Find the motion of the...Ch. 2.8 - Prob. 19PCh. 2.8 - Prob. 20PCh. 2.8 - Prob. 21PCh. 2.8 - Prob. 22PCh. 2.8 - Prob. 24PCh. 2.9 - RC-Circuit. Model the RC-circuit in Fig. 64. Find...Ch. 2.9 - RC-Circuit. Solve Prob. 1 when E = E0 sin ωt and...Ch. 2.9 - RL-Circuit. Model the RL-circuit in Fig. 66. Find...Ch. 2.9 - RL-Circuit. Solve Prob. 3 when E = E0 sin ωt and...Ch. 2.9 - LC-Circuit. This is an RLC-circuit with negligibly...Ch. 2.9 - LC-Circuit. Find the current when L = 0.5 H, C =...Ch. 2.9 - Prob. 7PCh. 2.9 - 8–14 Find the steady-state current in the...Ch. 2.9 - 8–14 Find the steady-state current in the...Ch. 2.9 - 8–14 Find the steady-state current in the...Ch. 2.9 - 8–14 Find the steady-state current in the...Ch. 2.9 - Find the steady-state current in the RLC-circuit...Ch. 2.9 - Find the steady-state current in the RLC-circuit...Ch. 2.9 - Prob. 14PCh. 2.9 - Prob. 15PCh. 2.9 - Solve the initial value problem for the...Ch. 2.9 - Prob. 17PCh. 2.9 - Prob. 18PCh. 2.9 - Complex Solution Method. Solve , by substituting...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Prob. 5PCh. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2.10 - Prob. 12PCh. 2.10 - Solve the given nonhomogeneous linear ODE by...Ch. 2 - Prob. 1RQCh. 2 - Prob. 2RQCh. 2 - By what methods can you get a general solution of...Ch. 2 - Prob. 4RQCh. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - Find a general solution. Show the details of your...Ch. 2 - Find a general solution. Show the details of your...Ch. 2 - Find a general solution. Show the details of your...Ch. 2 - Find a general solution. Show the details of your...Ch. 2 - Find a general solution. Show the details of your...Ch. 2 - Find a general solution. Show the details of your...Ch. 2 - Find a general solution. Show the details of your...Ch. 2 - Find a general solution. Show the details of your...Ch. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Find a general solution. Show the details of your...Ch. 2 - Solve the problem, showing the details of your...Ch. 2 - Solve the problem, showing the details of your...Ch. 2 - Solve the problem, showing the details of your...Ch. 2 - Solve the problem, showing the details of your...Ch. 2 - Find the steady-state current in the RLC-circuit...Ch. 2 - Find a general solution of the homogeneous linear...Ch. 2 - Find the steady-state current in the RLC-circuit...Ch. 2 - Find the current in the RLC-circuit in Fig. 71...Ch. 2 - Prob. 27RQCh. 2 - Prob. 28RQCh. 2 - Prob. 29RQCh. 2 - Prob. 30RQ
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