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Bunuel
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hershkoch
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Bunuel
If n is not negative, is n integer?

(1) n^2 < 1
(2) n^4 < 1

(1) n^2 < 1

This can give us n=0 integer and n=1/x not an integer. Insufficient.

(2) n^4 < 1 Same as in previous case. The only difference is that \(\frac{1}{x^4}\) will be closer to 0. Insufficien.

(1) & (2) By combining above two we still can get n as 0 or fraction < 1. Insufficient.

Answer E


Hi, Shouldn't it be C, as zero is common between one and two.. thanks

Take n=1/2. It satisfies both statements too.

Answer: E
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