Calculus II Midterm 1 February, 2009 21. (3 marks each; total 9 marks) Answer each question in the space provided. You MUST show your work.a)Evaluate11dxxx.b)Consider the integral 42lnxdx. If using the Trapezoidal rule to approximate this integral, the error is approximated by 2312)(nabKETwith Kxf)()2(. Find the value of K. [Note: Just find K; you do NOT have to approximate the resulting error] c)Evaluate03cossinxdxx.
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