What is (sqrt(-28))/(sqrt(7)) ?

The solution to (sqrt(-28))/(sqrt(7)) is 2i

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simplify (sqrt(-28))/(sqrt(7))

simplify

\frac{- 28}{7}

2 i

Solution steps

\frac{- 28}{7}

Apply radical rule:

\frac{a}{b} = \frac{a}{b}

\frac{- 28}{7} = \frac{- 28}{7}

= \frac{- 28}{7}

\frac{- 28}{7} = - 4

= - 4

Apply radical rule:

- a = - 1 a

- 4 = - 1 4

= - 1 4

Apply imaginary number rule:

- 1 = i

= 4 i

4 = 2

= 2 i

e^{- x^{2}}

(e^{- 2 x}) (2 e^{2 x})

(- 5 y)^{3}

2 x^{- 0.5}

\frac{d ^{2}}{d ^{2} x} (e^{- x^{2}})