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Popular >

simplify sqrt(4-20)

Solution

simplify

4 - 20

Solution

4 i

Solution steps

4 - 20

Subtract the numbers:

4 - 20 = - 16

= - 16

Apply radical rule:

- a = a - 1

- 16 = 16 - 1

= 16 - 1

Apply imaginary number rule:

- 1 = i

= 16 i

16 = 4

= 4 i

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Frequently Asked Questions (FAQ)

What is sqrt(4-20) ?
The solution to sqrt(4-20) is 4i