Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions for Mathematics

The general solution of the differential equation x(1 + y²)dx + y(1 + x²)dy = 0 is (1 + x²)(1 + y²) = k.

The general solution of the differential equation `"dy"/"dx" + y sec x` = tan x is y(secx – tanx) = secx – tanx + x + k.

x + y = tan^–1y is a solution of the differential equation `y^2 "dy"/"dx" + y^2 + 1` = 0.

y = x is a particular solution of the differential equation `("d"^2y)/("d"x^2) - x^2 "dy"/"dx" + xy` = x.

Find the general solution of `"dy"/"dx" + "a"y` = e^mx 

Find the general solution of `(x + 2y^3)  "dy"/"dx"` = y

If y(x) is a solution of `((2 + sinx)/(1 + y))"dy"/"dx"` = – cosx and y (0) = 1, then find the value of `y(pi/2)`.

If y(t) is a solution of `(1 + "t")"dy"/"dt" - "t"y` = 1 and y(0) = – 1, then show that y(1) = `-1/2`.

Form the differential equation having y = (sin^–1x)² + Acos^–1x + B, where A and B are arbitrary constants, as its general solution.

Find the general solution of the differential equation `(1 + y^2) + (x - "e"^(tan - 1y)) "dy"/"dx"` = 0.

Find the general solution of y²dx + (x² – xy + y²) dy = 0.

Solve:

`2(y + 3) - xy  (dy)/(dx)` = 0, given that y(1) = – 2.

Solve the differential equation dy = cosx(2 – y cosecx) dx given that y = 2 when x = `pi/2`

Solve the differential equation (1 + y²) tan^–1xdx + 2y(1 + x²)dy = 0.

Solve: `y + "d"/("d"x) (xy) = x(sinx + logx)`

Find the general solution of (1 + tany)(dx – dy) + 2xdy = 0.

Find the general solution of `("d"y)/("d"x) -3y = sin2x`

If y = e^–x (Acosx + Bsinx), then y is a solution of ______.

The differential equation for y = Acos αx + Bsin αx, where A and B are arbitrary constants is ______.

Solution of differential equation xdy – ydx = 0 represents : ______.