Find the sum and difference of the squares — task. Maths CBSE Live product, Class 9 (2026-27).

If \(x - y = 4\) and \(xy = 21\) , find \(x^2 + y^2\) and \(x^2 - y^2\).

Ans:

\(x^2 + y^2\) \(=\)

\(x + y\) \(=\)

\(x^2 - y^2\) \(=\)

Did you find an error?

9. Find the sum and difference of the squares