mid1p - MIDTERM 1 MATH 126 A, B Last name, first name:...

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Unformatted text preview: MIDTERM 1 MATH 126 A, B Last name, first name: Section: Student number: Signature: Please do not start working until instructed to do so. You have 50 minutes. Please show your work. Scientific, but not graphing calculators are OK. You may use one 8.5 by 11 sheet of handwritten notes. Problem 1. Problem 2. Problem 3. Problem 4. Problem 5. Total. Problem 1.(11 points) Consider the function f (x) = cos(2x). a.(5 points) Write the second order Taylor polynomial T2 (x) for f (x) centered at b = . 6 b.(6 points) Find a bound on the error |f (x) - T2 (x)| on the interval [0, ]. 3 Problem 2.(12 points) Write down the Taylor series for each of the following functions and give the interval on which they converge. (You need to use the sigma notation for full credit.) a.(6 points) f (x) = e2x+1 centered at b = 2. b.(6 points) f (x) = 3 centered at b = 0. 4 + 5x Problem 3.(10 points) Find the equation of the plane passing through the point (1, 3, 4) and containing the line x = 3 + t, y = 3 - 2t, z = -1 + t. Give your answer in the form ax + by + cz + d = 0. Problem 4.(9 points) Are the lines x = 1 + t, y = 4 - t, z = 2t and x = 7 - 2t, y = 1 - t, z = 7 + t skew or do they intersect? If they are skew, clearly say why. If they do intersect, find the point of intersection. Problem 5.(8 points) Is the triangle with vertices (2, 0, 0), (4, 3, 5), (0, 1, 3) a right triangle? Clearly justify your answer. ...
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This note was uploaded on 05/07/2008 for the course MATH 126 taught by Professor Smith during the Spring '07 term at University of Washington.

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mid1p - MIDTERM 1 MATH 126 A, B Last name, first name:...

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