Question

$heyaa \\ . \\ . \\ answer \: this \: \\ in \: basic \: formulaes \: of \: maths \: how \\ { a }^{2} - {b}^{2} = (a - b)(a + b) \: . \\ . \\ . \\ thnx \: \\ be \: happy \:$
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Answer 1

OK LET'S SOLVE

LHS

A^2-B^2

RHS

(A+B)(A-B)

NOW WE WILL SOLVE RHS

AND WE WILL GET LHS TO SHOW

(A-B)(A+B)

A(A+B)-B(A+B)

A^2+AB-AB-B^2

HERE AB -AB WILL BECOME ZERO

SO RHS IS A^2-B^2

SO RHS=LHS

THANKS FOR ASKING

"COMMON SENSE IS NOT SO COMMON"

BE YOURSELF