Write the following binomial expansion: (y 3 -3 y )^ 4 - Vidyadip

Question

Write the following binomial expansion: $\left(\frac{y}{3}-\frac{3}{y}\right)^{4}$

✓

Answer

$\frac{y^{6}}{729}+\frac{\left(2 y^{1}\right)}{27}+\frac{\left(5 y^{2}\right)}{3}+20+\frac{135}{y^{2}}+\frac{486}{y^{4}}+\frac{729}{y^{6}}$

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