TBQ - Expand using identity — task. Maths CBSE Mentoring, Class 9 Mentoring product.

Factorize each of the following:

(i) \(27y^3 + 125z^3=\)

(ii) \(64m^3 – 343n^3=\)

Answer variants:

\((4m + 7n) [(4m)^2 -(4m)(7n) + (7n)^2]\)

\( (4m – 7n) [(4m)^2 + (4m)(7n) + (7n)^2]\)

\((3y -5z) (9y^2 + 15yz + 25z^2)\)

\((3y + 5z) (9y^2 – 15yz + 25z^2)\)

Did you find an error?

6. TBQ - Expand using identity