1. Evaluate the principal value of the complex number : (3 + j4)(3+j4) O A. 3 + jo.592 О в.3-ј0.592 O C-3- jo.592 O D. -3+ j0.592 O O O

Q: Solve 4x x-2 1 2 b. x= -2,2 a. x= 3x-2 x-2 for x. C. x = -2 d. x=2

A: We can answer the question as below.

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A: This is a number line problem

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Q: 1-2-4 メ-4

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Q: olutions are only partly corre

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Q: 6. -30 4 2) -5 -10 40 寸

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Q: Solve. x+y+z = 3 2x +y-z = 8 x-y+z = - 5 The solution set is {OID}: (Simplify your answer.)

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Q: 5. I agree with Barry since the numerator is a difference of squares and factors Barry says that g…

A: Solved below

Q: b, =b,-1 + kb, -2; b =1 and b, =1

A:

Q: If the equations have no solution, determine the value of k=

A: Given linear equations are 2x+4y+8z=52x+17-ky+7z=72x+4y+12-kz=k+10 The value of k if the equations…