Question

prove that (a-b)²=a²-2ab+b²

pls pic ​

Answer 1

$(a - b)^2 = (a - b) (a - b) = a (a - b) - b (a - b)$

$= a^2 - a b - a b + b^2 = a^2 - 2 a b + b^2 \ne a^2 + 2 a b + b^2$

$\text{For graphical prove follow the link below.}$

Graphical Presentation of (a- b)^2 =a^2+b^2- 2ab

Answer 2

Answer:

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