S K Gupta and Anubhuti Gangal Solutions for Chapter: Algebraic Expressions, Exercise 7: Exercise 11(G)

Find the following product.

$\left(x+2\right)\left(x-2\right)$

Find the following products

$\left(d-8\right)\left(d+8\right)$

Find the following product.

$\left(5+9m\right)\left(5-9m\right)$

Find the following product.

$\left(x^2-y^2\right)\left(x^2+y^2\right)$

Using the identity for difference of two squares, find the value of:

$18\times 22$ 

Simplify:

$\frac{23.71\times 23.71-16.29\times 16.29}{0.742}$

Simplify:

$\frac{4.359\times 4.359-1.641\times 1.641}{4.359-1.641}=?$

$\frac{3.7\times 3.7+2.3\times 2.3+2\times 3.7\times 2.3}{4.6\times 4.6-3.4\times 3.4}$ equals