A solution of the following differential equation is given by
`(d^2y)/(dx^2)` `+-` `5 (dy)/(dx)` + 6y = 0
y = e2x + e-3x
y = e2x + e3x
y = e-2x + e3x
y = e-2x + e-3x
is it a wrong questionn?? + & - both are given.. how to find out correct answer