When to use the chain rule

    • [PDF File]0.1 The Chain Rule

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      differentiate (even if we need to use the chain rule again to do so). Let us choose u3 + 2 and u = x2 +1 as our functions, because we know how to differentiate both of them. We find d dx ((x2 +1)3 +2) = 3(x2 +1)2 ·2x. Choosing those two functions as our chain of functions worked well because we knew how to differentiate both of them.


    • [PDF File]Chain Rule and Implicit Differentiation

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      Example 5.6.0.4 2. Use the chain rule to find @z/@sfor z = x2y2 where x = scost and y = ssint As we saw in the previous example, these problems can get tricky because we need to keep all the information organized. Let’s walk through the solution of this exercise slowly so we don’t make any mistakes. Our final answer will be in terms of s ...


    • [PDF File]1 Applications of the Chain Rule

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      The chain rule is used as the main tool to solve the following classes for problems: 1. Implicit Di erentiation: The chain rule can be used to compute derivatives of implicit functions F(x;y(x)) = 0 where Fis a function of two variables xand y. 2. Logarithmic Di erentiation: By rst taking the logarithm of both sides, we can compute deriva-


    • [PDF File]Coordinate Systems and Examples of the Chain Rule

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      use the chain rule. The reason is most interesting problems in physics and engineering are equations involving partial derivatives, that is partial di erential equations. These equations normally have physical interpretations and are derived from observations and experimenta-tion.


    • [PDF File]Early Use of the Chain Rule - Florida State University

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      An Early Use of the Chain Rule Dennis W Duke, Florida State University One of the most useful tools we learned when we were young is the chain rule of differential calculus: if q()αis a function of α, and α(t) is a function of t, then the rate of change of q with respect to t is dq dq d dt d dt α α = ⋅


    • [PDF File]The Chain Rule - University of California, Berkeley

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      The Chain Rule Three brothers, Kevin, Mark, and Brian like to hold an annual race to start off each new year. In the race the three brothers like to compete to see who is the fastest, and who will come in last, and have to buy the others breadsticks (these are three crazy brothers!). Last year Mark won the race,


    • [PDF File]14.5 The Chain Rule - Michigan State University

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      x14.5 The Chain Rule The Chain Rule The Chain Rule (Case 1) The Chain Rule (Case 2) The Chain Rule (General Version) Implicit Di erentiation. Let us rst recall the chain rule for functions of a single variable. Given y = f (x) and z = g(y), the derivative of the composition


    • [PDF File]The Chain Rule - University of Plymouth

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      Section 3: The Chain Rule for Powers 8 3. The Chain Rule for Powers The chain rule for powers tells us how to differentiate a function raised to a power. It states: if y = (f(x))n, then dy dx = nf0(x)(f(x))n−1 where f0(x) is the derivative of f(x) with respect to x. This rule is obtained from the chain rule by choosing u = f(x) above.


    • [PDF File]Derivatives: Chain Rule and Power Rule

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      In applying the Chain Rule, think of the opposite function f °g as having an inside and an outside part: General Power Rule a special case of the Chain Rule. If , where u is a differentiable function of x and n is a rational number, then Examples: Find the derivative of each function given below.


    • [PDF File]14.5 The Chain Rule - United States Naval Academy

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      The Chain Rule A similar argument holds for ∂z /∂s and so we have proved the following version of the Chain Rule. Case 2 of the Chain Rule contains three types of variables: s and t are independent variables, x and y are called intermediate variables, and z is the dependent variable.


    • [PDF File]The Chain Rule

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      3. The chain rule In order to differentiate a function of a function, y = f(g(x)), that is to find dy dx, we need to do two things: 1. Substitute u = g(x). This gives us y = f(u) Next we need to use a formula that is known as the Chain Rule. 2. ChainRule dy dx = dy du × du dx www.mathcentre.ac.uk 2 c mathcentre 2009


    • [PDF File]The Chain Rule - University of Texas at El Paso

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      5. The chain rule states that in order to find the derivative of a composition of functions, you should take the derivative of the outside function, leaving the inside function alone, and then multiplying by the derivative of the inside function. 6. The chain rule allows us to now define a general power rule that we will use frequently. 7.


    • [PDF File]Proof of the Chain Rule - Kruel

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      Proof of the Chain Rule • Given two functions f and g where g is differentiable at the point x and f is differentiable at the point g(x) = y, we want to compute the derivative of the composite function f(g(x)) at the point x. In other words, we want to compute lim h→0 f(g(x+h))−f(g(x)) h.


    • [PDF File]Chain rule for functions of 2, 3 variables (Sect. 14.4 ...

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      Chain rule for functions of 2, 3 variables (Sect. 14.4) I Review: Chain rule for f : D ⊂ R → R. I Chain rule for change of coordinates in a line. I Functions of two variables, f : D ⊂ R2 → R. I Chain rule for functions defined on a curve in a plane. I Chain rule for change of coordinates in a plane. I Functions of three variables, f : D ⊂ R3 → R. I Chain rule for functions ...


    • [PDF File]Lecture 10 : Chain Rule

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      Sometimes we have to use the chain rule more than once. The following can be proven by repeatedly applying the above result on the chain rule : Expanded Chain Rule If his di erentiable at x, gis di erentiable at h(x) and fis at g(h(x)), then the composite function G(x) = f(g(h(x))) is di erentiable at xand G 0(x) = f0(g(h(x))) g(h(x)) h0(x):


    • [PDF File]The Chain Rule - Illinois Institute of Technology

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      The power rule combined with the Chain Rule •This is a special case of the Chain Rule, where the outer function f is a power function. If y = *g(x)+𝑛, then we can write y = f(u) = u𝑛 where u = g(x). By using the Chain Rule an then the Power Rule, we get 𝑑 𝑑 = 𝑑 𝑑 𝑑 𝑑 = nu𝑛;1𝑑 𝑑 = n*g(x)+𝑛;1g’(x)


    • [PDF File]Chain Rule & Implicit Differentiation

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      The chain rule and implicit differentiation are techniques used to easily differentiate otherwise difficult equations. Both use the rules for derivatives by applying them in slightly different ways to differentiate the complex equations without much hassle. In this presentation, both the chain rule and implicit differentiation will


    • [PDF File]The Chain Rule and Integration by Substitution

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      The Chain Rule and Integration by Substitution Suppose we have an integral of the form where Then, by reversing the chain rule for derivatives, we have € ∫f(g(x))g'(x)dx € F'=f. € ∫f(g(x))g'(x)dx=F(g(x))+C. composition of functions derivative of Inside function F is an antiderivative of f integrand is the result of


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