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If x is real, prove that (x)/(x^(2)-5x+9...

If x is real, prove that `(x)/(x^(2)-5x+9)` lies between 1 and `(-1)/(11)`.

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The correct Answer is:
`rArr (-1)/(11) le y le 1 rArr y" lies between "1 and (-1)/(11)`
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