Question

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Answer 1

solution of this question may it help you

Answer 2

Answer:

$\frac{1}{27}x^{3} + \frac{5}{9}x^{2}y + \frac{25}{9}xy^{2} + \frac{125}{27}y^{2}$

Step-by-step explanation:

$(\frac{1}{3}x + \frac{5}{3}y )^{3} \\\\= (\frac{1}{3}x)^{3} + (3)(\frac{1}{3}x)^{2}(\frac{5}{3}y) + (3)(\frac{1}{3}x)(\frac{5}{3}y)^{2} + (\frac{5}{3}y)^{3}\\\\= \frac{1}{27}x^{3} + \frac{5}{9}x^{2}y + \frac{25}{9}xy^{2} + \frac{125}{27}y^{3}$