19, 20, 21 and 22 Find a + b, 4a + 2b, a, and a b. 21. a = 4i –3j + 2k, b=2i– 4k

Q: 8-9 Let A = 2 3 (a) Find 5A +6B. 5A +6B = and B= 9-2 Complete parts a through d.

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Q: What is the value of z that makes the following true? 10 2ェ -1 4 I + 3

A: The given equation is 4x+3=102x-1

Q: 3. i 5. (5 -91) + (2- 4i) 7. i(5+ 7i) 9. (2 - 3i)(4 + i) 4 i" 6. 3(4 - i) - 3(5 + 21) 8. i(4 – i) +…

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Q: aj = 9 and an = - — Зап-1 5 then find the value of a5. -

A: Given query is to find the value of a5 .

Q: Express the product of and 216 in simplest form. r+5 2+5x+6

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Q: Assume Z₁ = 7 - 4i and Z₂ = 2 + 5i. Find the sum and difference of z1 and 22.

A: Given  Z1 = 7 - 4i Z2=2 + 5i

Q: The product of (3-2) and (7+ 6i) is A 21 – 12i B 33 + 4i 9-4i D 12 + 16i C.

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Q: 3a Simplify 2a +5 Select one: O a. O b. O c. O d. a +6 9a a+2 5 2a +5, a = 0,2 a +6 6a +15, a = 0,2…

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Q: 7. Find the product. Write the answer in standard form. a. (-4+2i)² b. (4+7i)(-2-5i) c. (6+8i)…

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Q: 3. Multiply 3-2i by its conjugate and write your answer in simplest form.

A: The conjugate of the complex number a-bi is a+bi and vice versa.

Q: Determine which of the expressions are equivalent. Equivalent Expressions : (4- i)(5i+ 1) : 10 - (4–…

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Q: 8 -9 9 -2 LOMA- [2 ²3] and B-[37] Let = B= 1 (a) Find 5A + 6B. 94-57 5A +6B = 28 21 (b) Find 6A-5B.…

A: Addition and subtraction of Matrices

Q: Letu= -4i+9;,and W=-i-4s Find GW+ Zv

A: This question is related to vectors, we will use vector addition and subtraction rules to solve the…

Q: Find each sum or difference. Write each an 9. (10 + 8i) + (6 + 4i) = 10. (9 + 5i) – (3 – 8i) = 11.…

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Q: If a = (-1,-4, 4) and b =, then a x b equals: O-4i-k O 4i+k O i+ 4k O 4i+k None of the others.

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Q: Multiply (3 - 2i)(4 + 3i)

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Q: Find the product. (3x - 7) (2x – 9) O 6.22 13.r 63 O 6.r + 41z– 63 O 6. + 13.r 63 41 63

A: We need to evaluate the following product 3x-72x-9

Q: If V = 4i + 3k and V2 = -2î + ĵ + 5 k. Find V1 - V2

A: Explanation of the solution is given below...

Q: (1+2i)² (3–5i)-i? + (3+17i) Evaluate, 5.

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Q: Find 54- 3B and simplify. 3 -7 – 3 3 5 A= B= 2 /2 1 3 2 3 - 10

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Q: (7x + 2) + (3x - 1) (3x + 7) + (2x - 5) (6x2 + 10) + (-4x² - 5) (6x+ 3) + (-6x - 3) (3x + x - 1) +…

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Q: 21. i(1 - )(2 - )(2 + 6i) 22. (1 + i)^(1 – ³ 1 23. (3 + 61) + (4 - i)(3 + 5i) + 2 - i 2 - i 1 + 2i…

A: To solve given complex numbers

Q: If A = -2 - 3i, and B = 3 + 4i, what is AB?

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Q: Assume Z₁ = 7 - 4i and Z₂ = 2 + 5i. Find the sum and difference of z1 and z2. Z₁ + Z₂ = Z1-Z₂ = +

A: Given that z1=7-4i and z2=2+5i

Q: AB6

A: Given, To Solve, ∫ x4-x2dx

Q: (2+3i) 2= 3-4i O -5+12i o 7i o -5+i o

A: 2+3i2

Q: a. (-4 + i)(2 – 5i) b. 2i(8i – 6) 9-i C. 3-41

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Q: . Simplify the expression, (4 – 3i)(-3+ 6i) – (2 – i). Show your work.

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Q: 5a 20 a – 16 Simplify. a + 4 5a (a – 4)² O A. a 25 OB. a + 4 OC. a -1 25a D. (a + 4)?

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Q: 3. -2 -5 Find the va lue of Hif Xi+xdx 3.

A: 3-2-518H-134=∫03x1+x2dxPut 1+x2=yas x →0 ,y→1as x →3 ,y→2differentiate on both…

Q: -9 8 -83 Let A= and B= 6 3 -9 9 Find -4A+3B.

A: The scalar multiplication is a significant matrix operation. When a scalar is multiplied with a…