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

#160; (1 + 2i)( 2 + i) 2+i 4i 2 4 3i a= 4,b= 3 ...

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Complex Numbers

Express the f...

Question

Express the following in the form of a = ib, a,b $ϵ$ R $i = \sqrt{- 1}$ . State the values of a and b.
$(1 + 2 i) (- 2 + i)$

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