**Calculus problem?**

*Hi all I have a multivariable calculus problem that I can not solve. The problem is very long and complex, but I found it* on a website. Can you visit any web site and read the introduction? The problem I need help with # 1. Http: / / www.stewartcalculus.com / data / Essential% 20CALCULUS% 20Early 20Transcendentals/upfiles/projects/ess_wp_1108a_stu.pdf% with you! And I know this is a bit long, but in the spirit of thanksgiving for Please help me, and I’ll be very grateful.

umm when I click on the link of the page shows a blank page

**Lecture 24A: The Envelope Theorem (Part I)**