TBQ - Use the identity and expand the expression — task. Maths CBSE Live product, Class 8 (2025-26).

Use the identity to write the expressions for the following.

\((q + 4)^{2}\)

Answer:

The identity used is

{(a + b)}^{i} = i^{i} + i ab + i^{i}

The expansion of \((q + 4)^{2}\) \(=\)

i^{i} + i i + i

Did you find an error?

2. TBQ - Use the identity and expand the expression