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OpenStudy (anonymous):
z1= -2-4i z2= 5-2i What is the product of z1 and its conjugate?
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OpenStudy (anonymous):
The i means imaginary number.
OpenStudy (anonymous):
conjugate of z1 is (-2+4i) z1* z1conjugate = (-2-4i)(-2+4i) = 4 + 16=20
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