Question

hey is there anyone who can give me answer of this question
$(a - b) {?}^{2} { = .....} \: - 2 \: ab \: + .............$
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Answer 1

Answer:

A2+b2-2ab.............

pls follow me

Answer 2

Answer:

(a-b)^2 = a^2+b^2-2ab .