Question

find cube in the given question​

Answer 1

Step-by-step explanation:

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Answer 2

${(m - \frac{1}{3} y)}^{3} \\ \\ {m}^{3} - \frac{ {y}^{3} }{27} \\ \\ \frac{27 {m}^{3} - {y}^{3} }{27} \\ \\ = \frac{{(3m - y)}^{3}}{ {(3)}^{3} } = \frac{3m - y}{3}$