Question

$\sqrt{5 \times 5 \times 2} \\ \\ 5 \sqrt{2}$
why 2 five in root are considered as single 5...plzz give right answer ​

Answer 1

Because the 2 fives multiply to give 5^2, square root can be written as 1/2 power. Hence the 2 and 1/2 get multiplied to give power 1. Hence 5 comes out whereas 2 remains inside..

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