Question

10m-1/5 write down the square​

Answer 1

$\large{\implies{Answer}}$

$= (10m - \frac{1}{5} ) {}^{2} \\ = (10m) {}^{2} + ( \frac{1}{5} ) {}^{2} + 2(10m)( \frac{1}{5} ) \\ = 100m {}^{2} + \frac{1}{25} + 4m$