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Grade 12th passAlgebra

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

Profile image of Nikhil jain
9 Years agoGrade 12th pass
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1 Answer

Profile image of Harsh Patodia
9 Years ago
For repeated root for one value of x, f(x)= f’(x) just apply the condition, you will get answer easily.