Find the general solution to y′′+16y=0y'' + 16y = 0y′′+16y=0.
y=C1cos(4x)+C2sin(4x)y = C_1 \cos(4x) + C_2 \sin(4x)y=C1cos(4x)+C2sin(4x)
y=C1e4x+C2e−4xy = C_1 e^{4x} + C_2 e^{-4x}y=C1e4x+C2e−4x
y=C1cos(16x)+C2sin(16x)y = C_1 \cos(16x) + C_2 \sin(16x)y=C1cos(16x)+C2sin(16x)
None