Math, asked by anshah9422, 11 months ago

(1+2i) (-2+i) express in form of a+bi... a,b€R i=√-1 state value of a and b

Answers

Answered by pprt90

23

Step-by-step explanation:

a+ib=(-2+i+4i-2)

a+ib=-4+5i

so, a=-4

b=5

Answered by Anonymous

21

Answer:

Hey mate plzz refer to the attachment

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