How do you simplify $sqrt(-196)$ ?

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Answer 1 · 2016-02-22T09:31:27

$sqrt(−196)$ = $14i$

As we need to take square roots of a negative number, we should use imaginary number $i$ such that $i^2=-1$ .

Hence $sqrt(−196)$ can be expressed $sqrt((-1)*14*14)$ i.e.

$14sqrt(-1)$ i.e. $14i$ .

Hence $sqrt(−196)$ = $14i$

How do you simplify sqrt(-196)sqrt(-196)?