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  1. u-Substitution. Recall the substitution rule from MATH 141 (see page 241 in the textbook). Theorem If u = g(x) is a differentiable function whose range is an interval I and f is continuous on I, then. ˆ f(g(x))g′(x) dx = ˆ f(u) du. you see why?) Let’s look at . Example 1 Find ˆ sec2(5x + 1) 5 · dx. ˆ sec2(5x + 1) u = 5x + 1. du = 5 dx.

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  2. Math 106L Integration by Substitution Lecture 7-2 Review 1.(a)The Chain Rule states that: d dx [f(g(x))] = (b)By taking the antiderivatives of both sides, we get: Z f ′(g(x))g (x) dx = Method of u-substitution 2.(a)Suppose we want to evaluate Z f′(g(x))g′(x) dx. Let u = g(x). Then du = dx. (b)Hence, Z f′(g(x))g′(x) dx = = = (c)Note ...

  3. Solve ten (10) practice problems involving systems of equations using the substitution method, and afterward, verify your answers for accuracy.

  4. One method for taking integrals f(x) dx is called u substitution. u substitution requires identifying a. Z Z. function u(x) such that the integral g(u) du is simpler than the original integral f(x) dx, where the.

  5. The following are solutions to the Math 229 Integration Worksheet - Substitution Method. Here’s. the link to that worksheet http://www.math.niu.edu/courses/math229/misc/int_prac.pdf. Z (5x + 4)5 dx. Let u = 5x + 4. Then du = 5 dx or du = dx. 5. Now substitute. Z 3t2(t3 + 4)5 dt. Let u = t3 + 4. Then du = 3t2 dt. Now substitute. Z p4x. 5 dx. (5x.

  6. Evaluate the indefinite integrals using u substitution. SPECIAL CASE SUMMARY: 10.3 u Substitution Definite Integrals Evaluate the definite integral. ∫√ ∫ ( ) Now, summarize your notes here! ∫ √ PRACTICE

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  8. 2x · sin(x2) dx = − cos(x2) + C, which we can verify by computing d − cos(x2) = sin(x2) · 2x by the chain rule. dx To simplify the notation, we’ll often introduce another variable, typically called u, which is why this method is called u-substitution. We set u = g(x), and then employ another.

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