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2 years ago

Is (x+1)/x^2 greater or less or equal to 1/x

Mathematics

1 answer:

Sergio039 [100]2 years ago

6 0

Answer:

(1) x^2 is greater than 1.

(2) x is greater than -1.

(1) x^2 is greater than 1 --> x2>1x2>1 --> x<−1x<−1 or x>1x>1. Sufficient.

(2) x is greater than -1 --> x>−1x>−1. Not sufficient.

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