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Popular >

simplify sqrt(4-8)

Solution

simplify

4 - 8

Solution

2 i

Solution steps

4 - 8

Subtract the numbers:

4 - 8 = - 4

= - 4

Apply radical rule:

- a = a - 1

- 4 = 4 - 1

= 4 - 1

Apply imaginary number rule:

- 1 = i

= 4 i

4 = 2

= 2 i

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Frequently Asked Questions (FAQ)

What is sqrt(4-8) ?
The solution to sqrt(4-8) is 2i