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Simplify: i^25

Sqrt-900
cuberoot-125x^6

1 answer

i^2=-1
i^3 = -i
i^4 = 1
Do you notice a trend (to get to i^25)?
sqrt -900 = sqrt (-1*900) = 30i

You can check this and your work by going to google and typing in the equation; e.g., i^25 or sqrt -900 and enter.

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