i thik something is wrong how can a function which has sin o cos i it give the derivative as 4 that is a constant?
it ought to be a straight line for that
Hello, viet!
I agree with the Captain: there must be a typo in the problem.
I'll assume it is supposed to be:
Consider the function whose second derivative is:
If , find
We have: .
Since , we have: .
. . Hence: .
We have: .
Since , we have: .
. . Hence: .
Therefore: . . . . etc.