MATH 3350 Midterm: Math 3350 TTU Exam Exam 4
31 Jan 2019
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August 6, 2010: write all of your answers on separate sheets of paper. You can keep the exam questions when you leave. You may leave when nished: you must show enough work to justify your answers. Unless otherwise instructed, give exact answers, not approximations (e. g. , 2, not 1. 414): this exam has 9 problems. In each part, nd the general solution of the di erential equation, just write down the or solve the given initial value problem. answer. A soda can at a temperature of 35 is placed in a room that is at 75 . Give an numerical answer that is accurate to two decimal places. In each part, nd the general solution, or solve the initial value problem. 3y + 2y = 0 y + 2y + y = 0, y(0) = 1, y (0) = 3 y + 4y + 13y = 0 x2y . Use the method of undetermined coe cients to nd the general solution.
