What is sqrt((1-1/5)/2) ?

The solution to sqrt((1-1/5)/2) is (sqrt(2))/(sqrt(5))

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simplify sqrt((1-1/5)/2)

simplify

\frac{1 - \frac{1}{5}}{2}

\frac{2}{5}

Decimal Notation

0.63245 \dots

Solution steps

\frac{1 - \frac{1}{5}}{2}

Apply radical rule:

\frac{a}{b} = \frac{a}{b}, a \geq 0, b \geq 0

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

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

= \frac{\frac{2}{5}}{2}

Apply the fraction rule:

\frac{\frac{a}{b}}{c} = \frac{a}{b \cdot c}

= \frac{2}{5 2}

Cancel

\frac{2}{5 2} : \frac{2}{5}

= \frac{2}{5}

\frac{18 x ^{7} y ^{7}}{30 x ^{5} y ^{6}}

\frac{3}{4} (\frac{2}{15} x)

2 x^{2} + 3 x - 2

516 + 1254 - 38

∣ x + y ∣^{2}

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