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Find the product of the complex number and it's conjugate.

9-5i

1 Answer

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conjugate of 9-5i is 9+5i
product of those two: (9-5i)*(9+5i) =
9^(2) - (5i)^(2) =81-25* i^(2) =81-25*(-1)=81+25=106
User Eugene Bolshakov
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