Question

Simplify the expression √882​

Answer 1

√882

= √2 x 3 x 3 x 7 x 7

= √2 x 32 x 72

= 21√2

hope it's helpful

Answer 2

√882= √2×√9×√49

$= \sqrt{2 \times 441} = \sqrt{2 \times (21 ){}^{2} }$

$= 21 \sqrt{2}$