Question

Resolve into factors 169-1/c^2; (iii)

Answer 1

Step-by-step explanation:

$169 - \frac{1}{ {c}^{2} } \\ {(13)}^{2} - ( \frac{1}{c} ) ^{2} \\ (13 + \frac{1}{c} ) \times (13 - \frac{1}{c} )$