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For any two complex numbers z1 and z2, prove that Re (z1 z2) = Re z1 Re z2 – Imz1 Imz2

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asked Dec 27, 2016 in Mathematics by Rohit Singh (61,782 points) ● 35 ● 133 ● 357

For any two complex numbers z1 and z2, prove that Re (z1 z2) = Re z1 Re z2 – Imz1 Imz2

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answered Dec 27, 2016 by vikash (21,277 points) ● 4 ● 19 ● 70
 
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To prove Re (z1 z2) = Re z1 Re z2 – Imz1Imz2

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