Question

Find the factors of the following:
a^2-49b^2​

Answer 1

Answer:

a^2-49b^2

=(a)^2-(7b)^2

so by formula, a^2-b^2=(a+b)(a-b)

the factorization is

=(a+7b)(a-7b)

hope it help you..

Answer 2

Answer:

$= {a}^{2} - 49 {b}^{2} \\ = {(a)}^{2} - {(7b)}^{2} \\ \\ = (a + 7b)(a - 7b)$

$by \: using \: identity \: = {x}^{2} - {y}^{2} = (x + y)(x - y)$

$so \: factors \: are \: (a + 7b) \: and \: (a - 7b)$

HOPE THIS ANSWER WILL HELP YOU...........

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