Math, asked by ScholarAVN, 9 months ago

Express the following in the form of a+ib,
a, b∈R i = −1. State the values of a and b.
(1+2i)(−2+i) ii) (1+i)(1−i)−1

Answers

Answered by challaramakrishna

2

Answer:

I don't have in 10th class

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