A differential equation of first order and first degree is

Q. The first order, first degree, linear differential equation among the following is .

Q. The differential equation whose solution is $A{x}^2+B{y}^2=1$ where A and B are arbitrary constants, is of

Q. If p and q are the order and degree of the differential equation $y\frac{dy}{dx}+x^3\frac{d^{2}y}{d{x}^2}+xy$ = cos x, then
(a) p < q
(b) p = q
(c) p > q
(d) none of these

Q. $\frac{dy}{dx}+x\sin y=\ln x$ is a linear differential equation of first order.

Q. $\frac{dy}{dx}+xsiny=lo{g}_e^x$ is a linear differential equation of first order.