What is 2/(sqrt(42)) ?

The solution to 2/(sqrt(42)) is (sqrt(2))/(sqrt(21))

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simplify 2/(sqrt(42))

simplify

\frac{2}{42}

\frac{2}{21}

Decimal Notation

0.30860 \dots

Solution steps

\frac{2}{42}

Factor

42 : 221

= \frac{2}{2 21}

Apply radical rule:

a = a a

2 = 22

= \frac{2 2}{2 21}

Cancel the common factor:

2

= \frac{2}{21}

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