MA 265 Midterm: 4-13s-test1

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31 Jan 2019
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Egr 265, math tools for engineering problem solving. Also, state if they are linear or non-linear. (a) y . Y2 = x (b) y(3) y = xy (c) x y. Find the values of the constant c for which the function y = c equation x. Warning: this de is neither separable nor linear, thus we don"t have a method to systemat- ically nd its solutions. xy + y = x2y2. Check that your guess is correct by verifying that it is a solution of the. Solve the ivp y + (y 2)2 = 0, y(2) = 3. Solve the ivp xy + 2y = x2, y(1) = 0. On thanksgiving day you walk into the kitchen and see that your little brother has already taken the turkey out of the oven. On the meat thermometer you see that its current core temperature is 120 f. After 10 minutes the temperature has dropped to 100 f.