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How do you simplify $\sqrt{- 144}$ $sqrt(-144)$ ?

1 Answer

Apr 22, 2018

$\pm 12 i$ $+-12i$

Explanation:

$\sqrt{- 144} = \sqrt{144 \times - 1} = \sqrt{144} \times \sqrt{-} 1$ $sqrt(-144)=sqrt(144xx-1)=sqrt144xxsqrt-1$

$\times \times \times \times \times \times \times x = \pm 12 \times i = \pm 12 i$ $color(white)(xxxxxxxxxxxxxxx)=+-12xxi=+-12i$

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