Math, asked by melwindas, 6 months ago

Express in the form a+ib,and state values of a and b.
(1+2i)(-2+i)

Answers

Answered by athira8140

2

Step-by-step explanation:

(1+2i)(-2+i)

-2+i-4i+2i**2

-2-3i+2*-1

-2-3i-2

-4-3i

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