3 years ago

Find the product of the complex number and it's conjugate. 9-5i

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

3 0

Conjugate of 9-5i is 9+5i
product of those two: (9-5i)*(9+5i) = $9^{2} - (5i)^{2} =81-25* i^{2} =81-25*(-1)=81+25=106$

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