1.

Factorize:16a2 - 25/4a2

Answer»

16a2 - \(\frac{25}{4a^2}\)    \(\because\) (a2 - b2) = (a - b)(a + b)

(4a)2 - \((\frac{5}{2a})^2\) = \((4a-\frac{5}{2a})({4a+\frac5{2a}})\)



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