Maxima and MinimaHard
Question
If for a function f(x), f′(a) = 0 = f″(a) = ...... = fn-1(a) but fn(a) ≠ 0, then at x = a, f(x) is maximum if -
Options
A.n is even and fn(a) > 0
B.n is odd and fn(a) > 0
C.n is even and fn(a) < 0
D.n is odd and fn(a) < 0