Math, asked by saleembismitha367, 3 months ago

9. (a) (a + ib)(a - ib) = (b) Express z = in the form of a + ib 1-31

Answers

Answered by kushipatel077

0

Answer:

(1+2i)(−2+i)−2+i−4i−2−4−3ia=−4,b=−3

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