Mathematics Homework Help

CMU Partial Derivatives and Tangent Planes and Linear Approximations Exercises

 

Hello, I need help with calculus problems regarding intergrals and other materials. 

The notes needed are posted on: https://1drv.ms/u/s!ArOGGTi5Qk0tgP805i1CjNu9CSpb4w?e=3jSQKb