Math, asked by mahijavp8, 5 hours ago

express (3+4i)×(3-4i) in the form of a +ib?

Answers

Answered by vaipaw207
0

Answer:

(3+4i)×(3-4i)

7i × -1i

-7i

i = -7

Step-by-step explanation:

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Answered by arjundangra9
0

Answer:

by a2-b2=(a+b)(a-b)

3^2-(4i)^2

i^2=-1

so,

9+16=25

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