Question

It says my answer is correct over a part of the domain of the integrand, but undefined on another part of the domain. Entered Answer 3*In(\\(7*x))+C

Preview Message 3 ln(ln(7x)) +C
Your answer is correct over part of the domain of the integrand, but is undefined on another part of the domain Evaluate the indefinite integral: 1 x In (18) 3 dx x In(7x) = 3*ln[In(7x)]+C

Answer 1

3 ln(abs ln(7x)) +C

Explanation:

Do not forget to add the absolute value!