Q 1156480374.     If `S` is the set of all real `x` such that `(2x-1)/(2x^3+3x^2+x)` is positive, then `S` contains

JEE 1986
A

`(−1/4,1/2)`

B

`(1/2,3)`

C

`(-∞,-3/2)`

D

`(-3/2,-1/4)`

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