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29. NCERT | Square of Difference of two numbers | Intext | Pg.147 | Q4(iii)

Expand the following using the identity of \((a-b)^2\).

\((3m – \frac{3}{8n})^{2}\)

Answer:

The identity used to expand the given expression is

{(i i i)}^{i} = i^{i} - i i + i^{i}

\((3m – \frac{3}{8n})^{2}\) \(=\)

i i^{i} - \frac{i i}{i i} + \frac{i}{i i^{i}}

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