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Popular >

simplify sqrt(-81)

Solution

simplify

- 81

Solution

9 i

Solution steps

- 81

Apply radical rule:

- a = a - 1

- 81 = 81 - 1

= 81 - 1

Apply imaginary number rule:

- 1 = i

= 81 i

81 = 9

= 9 i

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Frequently Asked Questions (FAQ)

What is sqrt(-81) ?
The solution to sqrt(-81) is 9i