javierpantoja513 javierpantoja513

09-12-2020
Mathematics

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

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valery423 valery423

09-12-2020

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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