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The sum of real values of k for which the cubic x^3-kx+k-1=0 has exactly tho distinct real solution.

The sum of real values of k for which the cubic x^3-kx+k-1=0 has exactly tho distinct real solution.

Grade:12th pass

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
7 years ago
For repeated root for one value of x, f(x)= f’(x) just apply the condition, you will get answer easily.

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