WBJEE 2013 Math Solved Paper

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Question : 68 of 80

Marks: +1, -0

Let f (x) = x

(

1

x−1

+

1

x

+

1

x+1

)

x > 1 Then

f(x) ≤ 1
1 < f(x) ≤ 2
2 < f(x) ≤ 3
f(x) > 3

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