Find the general solution of the differential equation y" - 10y' + 74y = 0.
◦ y = C1 e-7t cos(5t) + C2 e-7t sin(5t)
◦ y = C1 e-5t cos(7t) + C2 e-5t sin(7t)
◦ y = C1 e5t cos(7t) + C2 e5t sin(7t)
◦ y = C1 e7t cos(5t) + C2 e7t sin(5t)
◦ none of the above