Question

$\sqrt{175} \times \sqrt{28}$

Answer 1

√175×√28
√4900
√70×70
√70²
✓ 70

The required Answer is 70

Answer 2

Answer :

$= > \sqrt{175} \times \sqrt{28} \\ \\ = > \sqrt{175 \times 28} \\ \\ = > \sqrt{4900} \\ \\ 4900 \: is \: the \: square \: of \: 70. \\ hence..... \\ \\ = > \sqrt{4900} \\ \\ = > \sqrt{70 \times 70} \\ \\ = > 70$

Thanks !