Let F of x equals the integral from 1 to 3 times x of the natural logarithm of t squared . Use your calculator to find F"(1)

Question

Let  . Use your calculator to find F"(1)

A	12
B	6
C	4
D

Answer 1

By the chain rule F'(x) = ln(9x²)*3

F"(x) = 3*18x/9x² = 6/x and at x=1, F"(x)=6