Question

4. Use a suitable identity to get each of the following product:. (x+3)(x+3)​

Answer 1

Answer:

(x+3)(x+3)

(x+3)^2

x^2+3^2+2×x×3

x^2+9+6x

x^2+6x+9

Answer 2

Given :-

• $(a {}^{2} - b {}^{2} ) {}^{2}$

Solution :-

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

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

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