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Mathematics 20 Online
OpenStudy (anonymous):

I GIVE MEDALS !!! What's the radical of 2 times the square root of -25 ?

OpenStudy (anonymous):

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OpenStudy (shamil98):

When you have a negative number in the square root symbol you take the square of the number 25 in this case and multiply it by i , where i = √-1 so 2√-25 = 2 * 5i = 10i

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