Question

Factories 1/49m²-1/25n²​

Answer 1

Answer:

$\frac{1}{49 {m}^{2} } - \frac{1}{25 {n}^{2} } \\ \\ = (\frac{1}{7m} ) {}^{2} - ( \frac{1}{5n} ) {}^{2} \\ \\ = (\frac{1}{7m} + \frac{1}{5n} ) \: \: (\frac{1}{7m} - \frac{1}{5n} )$

Answer 2

Answer:

(1/7m)² -(1/5n)²

(1/7m+1/5n)(1/7m-1/5n)