If x+1/x=5, Then value of x/{1+x+x^2} is

SSC CGL Model Paper 9

Question : 53 of 100

Marks: +1, -0

x+1/x=5,

Then value of

x/{1+x+x^2}

Solution:

x/{1+x+x^2}

Divide numerator and denominator by x

1/{1/x+x+1}

Substituting the value of

x+1/x=5

1/{5+1}=1/6

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