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Are you familiar with the concept of the square root of -1?This is represented by iFor the square root of 243 we can get i involved and say wer are looking for the square root ot [256 - 13(i2)]This can be simplified to [+/-16 - √13(i)]
3e4
9 radical 3
NO!!! Remember 3^(5) = 243 Hence 243^(1/5) = 3
The principal square root is the non-negative square root.