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Yes there is Finding the suare root of negative numbers involves using imaginary number 'i'.The value of i is taken as (-1)^(1/2).

That is, i=(-1)^(1/2).

Now, suppose you want to find sq. root of -25.

-25=25*(-1)

Taking sq. root on both sides we get

(-25)^(1/2)=25^(1/2)*i {since (-1)^(1/2)=i}

Therefore root of -25 is 5i.

Although, we have found root for -25 this method is general and can be applied for any negative number.

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Q: Is there a square root for a negative number?
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