Question: Need number 2&3 (2) Solve the initial value problem using the method of Variation of Parameters y + y = sint + tcost y(0) =0,

Need number 2&3

(2) Solve the initial value problem using the method of Variation of Parameters y" + y = sint + tcost y(0) =0, y'(0) =1 (3) Solve the initial value problem. (a) y'(t) = 3y1 (t) - 242(t), y/2(t) = 2y1(t) - 2yz(t) y1 (0) = 3, y2(0) = 1/2 (b) y'i(t) = - 2y1(t) + 32(t), y/2(t) = -y1(t) - 242(t) y1 (0) = 6, y2(0) = 2

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