1

### IIT-JEE 1986

MCQ (More than One Correct Answer)
If $$S$$ is the set of all real $$x$$ such that $${{2x - 1} \over {2{x^3} + 3{x^2} + x}}$$ is positive, then $$S$$ contains
A
$$\left( { - \infty ,\, - {\textstyle{3 \over 2}}} \right)$$
B
$$\left( { - {3 \over 2},\, - {1 \over 4}} \right)$$
C
$$\left( { - {1 \over 4},\,{1 \over 2}} \right)$$
D
$$\left( {{1 \over 2},\,3} \right)\,\,\,\,$$
2

### IIT-JEE 1984

MCQ (More than One Correct Answer)
For real $$x$$, the function $$\,{{\left( {x - a} \right)\left( {x - b} \right)} \over {x - c}}$$ will assume all real values provided
A
$$a > b > c$$
B
$$a < b < c$$
C
$$a > c > b$$
D
$$a < c < b$$

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