Question

Perform the indicated operation:
(4+2i)(1+5i)

Answer 1

(4+2i)(1+5i)= 22i-6

Explanation:

Complex numbers are a combination of two parts i.e real and imaginary parts. The given operation is of multiplication.

Given

`(4+2i)(1+5i)\\Multiplying\ the\ complex\ numbers\\=4(1+5i)+2i(1+5i)\\Simplifying\\=4+20i+2i+10i^2\\=4+22i+10(-1)\\as\ i^2 = -1\\=4+22i-10\\=22i-6`

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