state gov Karnataka Forest Guard (ಅರಣ್ಯ ರಕ್ಷಕ) Mock Test 2023 Mathematics Differential Equations Solution of Differential Equations
Which of the following is the general solution of \(\rm\frac{d^2 y}{dx^2}−2 \frac{dy}{dx}\) + y = 0 ?
1
y = (Ax + B)ex
2
y = (Ax + B)e–x
3
y = Aex + Be–x
4
y = A cos x + B sin x