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JEE Advance - Mathematics (1990 - No. 21)
Let $$f(x)$$ be a quadratic expression which is positive for all the real values of $$x$$. If $$g(x)=f(x)+f''(x)$$, then for any real $$x$$,
$$g(x)<0$$
$$g(x)>0$$
$$g(x)=0$$
$$g\left( x \right) \ge 0$$
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