M7MBA wrote:n=?
1) n^2=1
2) n^3=1
Statement 1:
Case 1: n=1, with the result that n² = 1² = 1
Case 2: n=-1, with the result that n² = (-1)² = 1
Since n can be different values, INSUFFICIENT.
Statement 2:
Here, the only one option for n is possible:
n=1.
SUFFICIENT.
The correct answer is
B.
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