0 should also be answer |x| is not defined at x=0.
f(x)=(x^{2}-1)\left | x^{2}-3x+2 \right | + cos\left | x \right |
is NOT differentiable at x=
A) -1
B) 0
C) 1
D) 2
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UP 0 DOWN 0 0 4
4 Answers
t2sif
·2010-03-05 05:41:47
yes the answer is coming d
there are two critical points 1 n 2
check derivibility on these points u will find that on only on 2 fn is not derivvable