Math, asked by ayushisoni200228, 20 days ago

If x+iy= 1/a+ib prove that (x^2+y^2)(a^2+b^2)=1

Answers

Answered by careerupdates999

0

Answer:

(x+iy)(a+ib)=1

taking complex conjugation both side

(x-iy)(a-ib)=1

multiplying both (x²+y²)(a²+b²)=1

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