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The complex number z and w satisfy |z | =|w| =1 and zw is not equal to-1.

a) prove that conjugate z= 1/z and conjugate w =1/w,

b) prove that z+w/zw+1 is a real number 

 Sep 15, 2021
 #1
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+1

Like so:

 

 Sep 15, 2021
 #2
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Is there any other way to solve it?

Guest Sep 16, 2021

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