Question

Prove that (x-y)^2=x^2-2xy+y^2​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

(x-y)²=(x-y)(x-y)

= x(x-y)-y(x-y)

= x²-xy-xy+y²

= x²-2xy+y²

HENCE PROVED