Calculate the square of the difference — task. Maths CBSE Live product, Class 9 (2026-27).

Which of the following is the correct expansion of \((9p - 8q)^2\)?

\(81p^2 - 144pq + 64q^2\)
\(81p^2 + 72pq + 64q^2\)
\(81p^2 - 72pq + 64q^2\)
\(81p^2 + 144pq + 64q^2\)

Login or Fast registration

Previous theory

Exit to the topic

Did you find an error?