Question

factorise the following expression using a suitable identity
please give step by step clear explanation​

Answer 1

Step-by-step explanation:

$\frac{xy ^{3} }{98} - \frac{x^3y} {32} \\ \\ = \frac{xy}{2} ( \frac{ {y}^{2} }{49} - \frac{ {x}^{2} }{16} ) \\ \\ = \frac{xy}{2} ( \frac{y}{7} + \frac{x}{4} )( \frac{y}{7} - \frac{x}{4} )$Hope it helps you....

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