Answer to Question #314397 in Real Analysis for Pankaj

Question #314397

Let f: [0, 1]→R be a function defined by f(x) = x^m (1-x)^n ,where . m, n∈N


Find the values of m and n such that the Rolle’s Theorem holds for the function


f .

1
Expert's answer
2022-03-20T14:53:31-0400

The function is differentiable on [0,1]\left[ 0,1 \right] , since it is a polynomial.

f(0)=0,f(1)=0f\left( 0 \right) =0,f\left( 1 \right) =0 .

Hence the Rolle’s theorem holds for any m,nNm,n\in \mathbb{N}


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