Mathematics, 12.12.2019 05:31, torigirl4126

What is the value of the product (3 – 2i)(3 + 2i)?
5
9 + 4i
9 – 4i
13

(3 - 2i)(3+2i) = (3 * 3) + (-2i * 2i) = 9 + -4i^2

i^2 = -1 so we have

9 +-4(-1)
= 9 + 4
= 13

is my work correct here?

Answers: 2

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What is the value of the product (3 – 2i)(3 + 2i)? 5 9 + 4i 9 – 4i 13 (3 - 2i)(3+2i) = (3 * 3) + (-2i * 2i) = 9 + -4i^2 i^2 = -1 so we have 9 +-4(-1) = 9 + 4 = 13 is my work correct here?

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Other questions on the subject: Mathematics

Questions in other subjects:

What is the value of the product (3 – 2i)(3 + 2i)?
5
9 + 4i
9 – 4i
13

(3 - 2i)(3+2i) = (3 * 3) + (-2i * 2i) = 9 + -4i^2

i^2 = -1 so we have

9 +-4(-1)
= 9 + 4
= 13

is my work correct here?