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Popular >

simplify sqrt(-4^2)

Solution

simplify

- 4^{2}

Solution

4 i

Solution steps

- 4^{2}

Apply radical rule:

- a = - 1 a

- 4^{2} = - 1 4^{2}

= - 1 4^{2}

Apply imaginary number rule:

- 1 = i

= i 4^{2}

Apply radical rule:

assuming

a \geq 0

4^{2} = 4

= 4 i

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Frequently Asked Questions (FAQ)

What is sqrt(-4^2) ?
The solution to sqrt(-4^2) is 4i