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Popular >

simplify 1/(sqrt(20))

Solution

simplify

\frac{1}{20}

Solution

\frac{1}{2 5}

+1

Decimal Notation

0.22360 \dots

Solution steps

\frac{1}{20}

Prime factorization of

20 : 2^{2} \cdot 5

= \frac{1}{2 ^{2} \cdot 5}

Apply radical rule:

ab = a b, a \geq 0, b \geq 0

2^{2} \cdot 5 = 2^{2} 5

= \frac{1}{2 ^{2} 5}

Apply radical rule:

a^{2} = a, a \geq 0

2^{2} = 2

= \frac{1}{2 5}

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Frequently Asked Questions (FAQ)

What is 1/(sqrt(20)) ?
The solution to 1/(sqrt(20)) is 1/(2sqrt(5))