retanacaro4 retanacaro4

09-06-2020
Mathematics

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Please help. I’ll mark you as brainliest if correct!

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judetheactor judetheactor

09-06-2020

Answer:

a = 13

b = 0

Step-by-step explanation:

Conjugate of -3 + 2i is -3 - 2i

(-3 + 2i) (-3 - 2i)

We need to expand:

9 + 6i + -6i + -4i^2

-4i^2 =(-4)(-1) = 4

9 + 4 = 13

a = 13

b = 0

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