Let f(x) be a polynomial of degree 5 such that x=±1 are its critical points. If x→0lim(2+x3f(x))=4, then which one of the following is not true?
Held on 7 Jan 2020 · Verified 6 Jul 2026.
f is an odd function
f(1)−4f(−1)=4 . x=1 is a point of maximum and x=−1
x=1is a point of local minimum and x=−1 is a point of local maximum
x=1 is a point of local maxima of f
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