Math, asked by rishi255230, 11 months ago

(1+2i) (-2+i) plzzz give me a solution of this question​

Answers

Answered by BrainlyPopularman
4

(1 + 2i)( - 2 + i) =  - 2 + i - 4i + 2 {i}^{2}  \\  =  - 2 - 3i - 2 =  - 4 - 3i

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