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If p(x) is a polynomial of degree 3 sati...

If `p(x)` is a polynomial of degree 3 satisfying `p(-1)=10 , p(1) =-6 and p(x)` has maxima at `x=-1 and p'(x)` has minima at `x=1,` find the distance between the local maxima and local minima of the curve.

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