Question

2. Factorize the followings :

(25/4x^2-1/9y^2​

Answer 1

Answer:

$\frac{25x ^{2} }{4} - \frac{1}{9} = (\frac{5x}{2} ) ^{2} - (\frac{1}{3} ) ^{2} \\ = (\frac{5x}{2} + \frac{1}{3} )( \frac{5x}{2} - \frac{1}{3} )$

Using identity a² - b² = (a+b)(a-b)

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