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

Expand

(5 + 13 t) (5 - 13 t)

Answer:

The identity used is

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

(5 + 13 t) (5 - 13 t)

\(=\)

i - i i^{i}

[Note: Insert constant first and then term with variable. While entering terms, coefficient with sign is followed by the variable.]

Did you find an error?

2. Expand the expression