If the polynomial function f(x) = ax^3 + bx^2 + cx + d has extrema at x = and x = 2 then

JEE Advanced Mathematics question

If the polynomial function has extrema at and then

Answer: (D)

At an extremum , so and are the roots of :

α + 2α = - ⇒ α = -, α· 2α =

Create a free account to read the complete working (3 steps), and practise questions like this in a timed test.

Question ID VK-110408