Question

algebraic formula a^2-b^2

Answer 1

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We know that

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

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

So, a^2 + b^2 formula can be

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

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


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Answer 2

generally there is no formula of a²-b².
but u can have it by converting some formula.
(a+b)² -2ab -2b²
or,(a-b)² +2ab -2b²