A useful strategy for solving complicated equations is to look for patterns and use the method of substitution. In this method we change from a given vari- able to another variable. For example to solve for x in the following equation : 4 -)² + 2(- -) +1 = 0, we first introduce a new variable u, which we define 4 to be u = With that: a) Write down what the equation looks like in terms of the new variable u. b) Now solve this equation for u. c) Now use this value(s) of u to find the corresponding values of r. (use the relation u = I - 1
A useful strategy for solving complicated equations is to look for patterns and use the method of substitution. In this method we change from a given vari- able to another variable. For example to solve for x in the following equation : 4 -)² + 2(- -) +1 = 0, we first introduce a new variable u, which we define 4 to be u = With that: a) Write down what the equation looks like in terms of the new variable u. b) Now solve this equation for u. c) Now use this value(s) of u to find the corresponding values of r. (use the relation u = I - 1
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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