1.

\begin{array} { l } { \text { Use a suitable identity to get } } \\ { \text { (i) } ( x + 3 ) ( x + 3 ) } \end{array}

Answer»

Use (a+b) (a+b)(a+b)² = a² + b² + 2ab So,(x+3) (x+3) = (x+3)²x² + 3² + 2×x×3x² + 9 + 6x



Discussion

No Comment Found