Using the standard formulae, expand: (2 x 3 +3 2 y -2 )^2 - Vidyadip

Question

Using the standard formulae, expand:
$\left(\frac{2 x}{3}+\frac{3}{2 y}-2\right)^2$

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Answer

$\frac{4 x^2}{9}+\frac{9}{4 y^2}+4+2 \cdot \frac{x}{y}-\frac{6}{y}-\frac{8 x}{3}$

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