Question

how to solve 37^2 - 13^2 using identities.Please do explain how u got the answer.

Answer 1

Hi there!
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We know that there is an algebraic identity:

a²-b² = (a-b)(a+b)

So, in this case we can write:

37² - 13² = (37-13)(37+13)

= (24)(50)

= 1200 Ans.