Question

Find the value of $\frac{(67.542{)}^2-(32.458{)}^2}{75.458-40.374}$

Answer 1

$\frac{(67.542{)}^2-(32.458{)}^2}{75.458-40.374}=\frac{(67.542+32.458)(67.542-32.458)}{35.084}=\frac{100\times 35.084}{35.084}=100$