TBQ - Expand using the identity — task. Maths CBSE Live product, Class 8 (2025-26).

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

\((7a – \frac{3}{4b})^{2}\)

Answer:

The identity used to expand the given expression is

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

\((7a – \frac{3}{4b})^{2}\) \(=\)

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

Did you find an error?

7. TBQ - Expand using the identity