Consider the initial value problem 1 Y1 -4 2 5 cos(4t) [Y1(-1)] [y2(-1). This initial value problem was obtained from an initial value problem for a higher order scalar differential equation, via the change of variables y1 = y and Y2 = y. What is the corresponding scalar initial value problem? a. Differential equation: I, help (equations) (Give your answer in terms of บ, บ , บ", t.)

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