if Z^n = 1 , what is the value of z?
1. n is non zero integer.
2. z>0
[spoiler]OA - C. Statement 1- Z can be +1 for any value of n and can be -1 when n is +ve even number. Not sufficient. Statement 2- Z can be anything when n=0 so not sufficient. Combining both Z is 1
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1. n is non zero integer.
2. z>0
[spoiler]OA - C. Statement 1- Z can be +1 for any value of n and can be -1 when n is +ve even number. Not sufficient. Statement 2- Z can be anything when n=0 so not sufficient. Combining both Z is 1
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