Section 1.3 Classification of Differential Equations: Problem 5 Which of the following functions are solutions of the differential equation y" + 14y + 49y = 0? A. y(x) = x²e-7z -72 LB.!(2)= xe C. y(x) = e-72 D. y(x) = e+7z OE. y(x) = -7x F. y(x) = 0 GU(T) Te+7z

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