linear differential equation of first order

Linear Differential Equations

When a and b are eliminated from the equation xy=ae^(x)+be^(-x) ,the resulting differential equation is of (a) first order and first degree (b) first order and second degree (c) second order and first degree (d) second order and second degree

Form of linear differential equation and their solution

Homogeneous equation| Linear differential equation

Statement I Order of differential equation of family of parabola whose axis is parallel to y-axis and latusrectum is fixed is 2. Statement II Order of first equation is same as actual number of arbitary constant present in differential equation.

Obtain the differential equation of linear simple harmonic motion.

which one of the following differential equation is not linear ?