Question

WHEN do we use the second derivative??see attachment n help pllzzzz:D

Answer 1

THIS is my note i forgot when to use the second derivative=_=

Answer 2

i mean what the question would be if i solve like this..::>_<::

Answer 3

to find the point of inflection, we need to equate the 2nd derivative =0
so, if you were to find the point of inflection of f(x) =x^3
then you would have done that.

Answer 4

thanks againnnn lol ill ask u if i have problems:D

Answer 5

welcome ^_^
and sure :)