Asked by Rilwan
Find the square root of 12-22square root 2
Answers
Answered by
Reiny
looks like you want
√(12 - 22√2)
looks like you are trying to take the square root of a negative.
Have you heard of DeMoivre's theorem?
√(12 - 22√2)
looks like you are trying to take the square root of a negative.
Have you heard of DeMoivre's theorem?
Answered by
Rilwan
Could you help me with the problem?
Answered by
Reiny
I was trying to establish at what level of math you are working.
That is why I asked about DeMoivre's theorem.
As a short answer:
√(12 - 22√2) = √(22√2 - 12) i
= appr 19.11 i
That is why I asked about DeMoivre's theorem.
As a short answer:
√(12 - 22√2) = √(22√2 - 12) i
= appr 19.11 i
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