### Home > CALC > Chapter Ch7 > Lesson 7.3.3 > Problem7-133

7-133.
1. Set up each integral in terms of u. Be careful of the bounds. You do not need to solve the problem. Homework Help ✎

Let u = 3x². Write a new integrand AND write new bounds.

Remember that the current bounds are x-values. They need to be converted to U-values.