Mark the correct alternative in each of the following:
Which of the following differential equations has y = C1 ex + C2 e–x as the general solution?
Solving for (A)
For general solution put (D2 + 1) = 0
General solution, y = C1 cos x + C2 sin x
Solving for (B)
For general solution put (D2 – 12) = 0
General solution, y = C1 ex + C2 e-x = (B) which is required solution.