Question

express the following in the form of a-bi where a,,b∈R,I=√–1 . state the value of a and b
(a).....(1+i)(1+2i)
(b).....(2(2-i)(2+i)-¹
(c)......(3+2i)/–(2+i)
(d)......(1+2i)(2-3i)/3-4i​

Answer 1

Answer:

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Step-by-step explanation:

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