SOLUTION: The second derivative (not the first derivative) of the function ln(ax^b) can be written in the form cx^d. What is the value of c when a = 88 and b = 135?

Algebra ->  Functions -> SOLUTION: The second derivative (not the first derivative) of the function ln(ax^b) can be written in the form cx^d. What is the value of c when a = 88 and b = 135?      Log On


   



Question 1021850: The second derivative (not the first derivative) of the function
ln(ax^b)
can be written in the form cx^d.
What is the value of c when a = 88 and b = 135?

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
y+=+ln%2888x%5E135%29+=+ln88%2B135lnx by properties of logarithms.
==> y' = 135%2Fx+=+135x%5E%28-1%29
==> y" = -135x%5E%28-2%29
==> c = -135.