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Unformatted text preview: Section 11.5 http://www.webassign.net/v4cgirbgoslen@ncsu/student.pl?y=2006 ... 1 of 3 4/30/2006 12:39 PM WebAssign.net Sunday, April 30, 2006 12:39 PM EDT Logged in as rbgoslen@ncsu. Logout Home | My Assignments | Grades | Communication | Calendar Guide | Help | My Options Home > My Assignments > Section 11.5 (Homework) GOSLEN RICHARD BLAKE MA 242, section 008, Spring 2006 Instructor: Jim Zhang North Carolina State University About this Assignment Due: Tuesday, February 28, 2006 11:05 PM EST Current Score: 20 out of 20 Question Score Submission Options Description The Chain Rule ptssubs 1 2/2 4/20 2 2/2 1/20 4/4 Viewing: Last Response View: All Responses Notes 1. [SCalcCC2 11.5.06.] Use the Chain Rule to find z / s and z / t . z = x / y , x = se t , y = 1 + se- t z / s = (exp(t)/(1+s*exp(-t)))+((-1*(s*exp(t))*exp(-t))/((1+s*exp(-t))^2)) [exp(t) / (1 + s exp(-t)) ^ 2] z / t = (s*exp(t)/(1+s*exp(-t)))+((s^2*exp(t)*exp(-t))/((1+s*exp(-t))^2)) [(2 s^2 + s exp(t)) / (1 + s exp(-t)) ^ 2] ptssubs...
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This note was uploaded on 09/30/2009 for the course MA 242 taught by Professor Bliss during the Spring '08 term at N.C. State.
- Spring '08