Math, asked by jijaji00700, 1 month ago

(Z1-Z2)2=Z1 2-2Z 1 Z2+2Z 2 ​

Answers

Answered by gargimpk
0

Answer:

z1z2=z2z1

Step-by-step explanation:

We have,

(z1 + z2)^2  = (z, + z2)(z1 + z2) = (z1 + z2)z1 + (z1 + z2)z2  (by distributive law)

= z21 + z2z1 +z1z2 + z2 (by distributive law)

= z21 + 2z1z2 + z22

∵ z1z2 = z2z1

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