1.

this question is from complex numbers ​

Answer»

Step-by-step EXPLANATION:

|(az1 − bz2)|2 + |(bz1 + az2)|2

= a2 |z1|2 + B2|Z2|2 − 2 Re (AB)|z1\overline{z2}

z2

| + b2 |z1|2 + a2|z2|2 + 2 Re (ab)|\overline{z1}

z1

z2|

= (a2 + b2) (|z1|2 + |z2|2)



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