TBQ - Expand using the identity — task. Maths CBSE Live product, Class 8 (2026-27).

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

\((11m – \frac{5}{8n})^{2}\)

Answer:

The identity used to expand the given expression is

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

\((11m – \frac{5}{8n})^{2}\) \(=\)

i m^{2} - \frac{i m}{i n} + \frac{i}{i n^{2}}

Did you find an error?

4. TBQ - Expand using the identity