Let y be the solution of the initial value problem y" + y = -sin(2x) where y(0) = 0 and y'(0) = 0 The maximum value of y is___? I can find the general solution to this diff EQ.... but I don't know how to answer their question. Thanks =)
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Originally Posted by plopony Let y be the solution of the initial value problem y" + y = -sin(2x) where y(0) = 0 and y'(0) = 0 The maximum value of y is___? I can find the general solution to this diff EQ.... but I don't know how to answer their question. Thanks =) If you have found , differentiate it to find , set it equal to and solve for . Then use the second derivative test to determine that it is in fact a maximum.
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