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Which expression is equivalent to sqrt -108 - sqrt -3

User Gladys
by
5.7k points

2 Answers

4 votes
5i
√(3)

You can get this by simplifying both. The square root of -108 is 6i
√(3) and the square root of -3 is i
√(3). Subtract for the answer.


User Olivera Kovacevic
by
6.5k points
3 votes
√-108 = 6√3i
where i = √-1
√-3 = √3 i
thus = 6√3i-√3i = 5√3i = √-75
User Tsj
by
6.1k points