Question

factorise a3b/64-ab3/16​

Answer 1

Answer:

$\frac{ab(a + 2b)(a - 2b)}{64}$

Step-by-step explanation:

$\frac{a {}^{3}b }{64} - \frac{ab {}^{3} }{16} \\ = \frac{a {}^{3}b - 4ab {}^{3} }{64 } \\ = \frac{ab(a {}^{2} - 4b {}^{2}) }{64} \\ = \frac{ab(a + 2b)(a - 2b)}{64}$

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