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File: Chain Rule Pdf 170687 | Chain Item Download 2023-01-26 08-47-02
basic mathematics the chain rule rhoran m lavelle the aim of this package is to provide a short self assessment programme for students who want to learn how to use ...

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                                       Basic Mathematics
                                        The Chain Rule
                                      RHoran & M Lavelle
                           The aim of this package is to provide a short self
                           assessment programme for students who want to
                           learn how to use the chain rule of differentiation.
                            c
                 Copyright
2004rhoran@plymouth.ac.uk,mlavelle@plymouth.ac.uk
                 Last Revision Date: April 20, 2004                      Version 1.0
                 Table of Contents
        1. Basic Results
        2. The Chain Rule
        3. The Chain Rule for Powers
        4. Final Quiz
          Solutions to Exercises
          Solutions to Quizzes
                 Section 1: Basic Results                                           3
                 1. Basic Results
                 Differentiation is a very powerful mathematical tool. This package
                 reviews the chain rule which enables us to calculate the derivatives of
                                                    3
                 functions of functions, such as sin(x ), and also of powers of functions,
                            2      17
                 such as (5x −3x) . The rule is given without any proof.
                 It is convenient to list here the derivatives of some simple functions:
                                   n                               ax
                          y     ax       sin(ax)      cos(ax)     e     ln(x)
                         dy       n−1                              ax     1
                         dx   nax        acos(ax)   −asin(ax)    ae       x
                 Also recall the Sum Rule:
                                         d (u+v)= du + dv
                                        dx           dx    dx
                 This simply states that the derivative of the sum of two (or more)
                 functions is given by the sum of their derivatives.
                        Section 1: Basic Results                                                                        4
                        It should also be recalled that derivatives commute with constants:
                                             i.e., if    y = af(x),         then      dy =adf
                                                                                      dx        dx
                        where a is any constant. Here are some chances to practise.
                        Exercise 1. Differentiate the following with respect to x using the
                        above rules (click on the green letters for the solutions).
                        (a)         y = √x                               (b)         y = 4cos(3x)
                                              3                                             4        3
                        (c)         y = ln x                             (d)         y = 3x −4x
                                                                                                                  p 3
                        Quiz Use the properties of powers to find the derivative of y =                               w4
                        with respect to w.                   √
                              (a) 3w−5/8              (b) 3     w−1/4           (c) 3w−1/4              (d) 1w−3/8
                                    8                       4                         8                      2
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...Basic mathematics the chain rule rhoran m lavelle aim of this package is to provide a short self assessment programme for students who want learn how use dierentiation c copyright plymouth ac uk mlavelle last revision date april version table contents results powers final quiz solutions exercises quizzes section very powerful mathematical tool reviews which enables us calculate derivatives functions such as sin x and also given without any proof it convenient list here some simple n ax y cos e ln dy dx nax acos asin ae recall sum d u v du dv simply states that derivative two or more by their should be recalled commute with constants i if af then adf where constant are chances practise exercise dierentiate following respect using above rules click on green letters b p properties nd w...

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