Question

(a + ib) (1 + i) = 2 + i​

Answer 1

Step-by-step explanation:

(a+ib)(1+i) = 2 + i

a+ia+ib+i²b = 2 + i

a-b + i(a+b) = 2 + i

so,a-b=2..........(1)

a+b=1............(2)

So, from equation (1) & (2) we get

a = 3

2

b = -1

2

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