Question

Use a suitable identity to get each of following product
A:(x+3(x+3)

Answer 1

I hope it may help you

(x+3(x+3)

=x+3x+9

=4x+9 ans

Answer 2

Given :-

• $(a {}^{2} - b {}^{2} ) {}^{2}$

Solution :-

$\implies(a {}^{2} - b {}^{2} ) {}^{2}$

$\implies(a {}^{2} ) {}^{2} - 2 \: \times \: a {}^{2} \: \times \: b {}^{2} \: + \: (b {}^{2} ) {}^{2}$

$\implies \: a {}^{4} \: - \: 2a {}^{2}b {}^{2} \: + \: b {}^{4}$