Question
Using the standard formulae, expand:
$\left(\frac{1}{2} x-\frac{3}{2} y\right)^2$
$\left(\frac{1}{2} x-\frac{3}{2} y\right)^2$
✓
Answer
$\frac{x^2}{4}+\frac{9}{4} y^2-\frac{3}{2} x y$
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