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Find the intervals in which f(x) = jx??2j x2 is strictly increasing and strictly decreasing.

Find the intervals in which f(x) = jx??2j
x2 is strictly increasing and strictly decreasing.

Grade:upto college level

1 Answers

sudhir pal
askIITians Faculty 26 Points
7 years ago
your expression is not so clear
if it mean f(x)= |x2|*2*x
since x2 is always greater than 0 sign would change according to x
f(x) would be equivalent to 2x3 which is always increasing
if you mean f(x) = |x2|x2
then itwould be equivalent to x4 which is
decreasing when x<0
increasing when x >0



Thanks & Regards
Sudhir,
askIITians Faculty
Qualification.
IIT Delhi

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