Question

Re (z1-z2) = Re (z1) - Re (z2)​

Answer 1

ANSWER

Let z1

=a+ib z2

=x+iz z1 z2

=(a+ib)(x+iy) ax−by+i(bx+ay) Re(z1 z2 )=ax−by Re(z1 z2 ) =Rez 1 Rez 2 −Imz 1 Imz2

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Answer 2

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