If f(x) = x^3 + bx^2 + cx + d and 0 < b^2 < c, then in (-\infty, \infty),

Correct Answer is : f(x) is a strictly increasing function

f(x) is a strictly increasing function

f(x) is a strictly decreasing function

VITEEE 2019 Paper

Section: Mathematics

Question : 111 of 125

Marks: +1, -0

If f(x)=x3+bx2+cx+d and 0<b2<c, then in (−∞,∞),

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