मराठी

(X3 − 2y3) Dx + 3x2 Y Dy = 0

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प्रश्न

(x3 − 2y3) dx + 3x2 y dy = 0

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उत्तर

.....

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पाठ 21: Differential Equations - Revision Exercise [पृष्ठ १४६]

APPEARS IN

आर.डी. शर्मा Mathematics Volume 1 and 2 [English] Class 12
पाठ 21 Differential Equations
Revision Exercise | Q 48 | पृष्ठ १४६

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

If   `y=sqrt(sinx+sqrt(sinx+sqrt(sinx+..... oo))),` then show that `dy/dx=cosx/(2y-1)`


Find the particular solution of the differential equation

(1 – y2) (1 + log x) dx + 2xy dy = 0, given that y = 0 when x = 1.


Verify that the given function (explicit or implicit) is a solution of the corresponding differential equation:

y = x sin x : xy' = `y + x  sqrt (x^2 - y^2)`  (x ≠ 0 and x > y or x < -y)


The number of arbitrary constants in the particular solution of a differential equation of third order are ______.


Show that the general solution of the differential equation  `dy/dx + (y^2 + y +1)/(x^2 + x + 1) = 0` is given by (x + y + 1) = A (1 - x - y - 2xy), where A is parameter.


Find `(dy)/(dx)` at x = 1, y = `pi/4` if `sin^2 y + cos xy = K`


How many arbitrary constants are there in the general solution of the differential equation of order 3.


The general solution of the differential equation \[\frac{dy}{dx} + y\] g' (x) = g (x) g' (x), where g (x) is a given function of x, is


The solution of the differential equation \[2x\frac{dy}{dx} - y = 3\] represents


If m and n are the order and degree of the differential equation \[\left( y_2 \right)^5 + \frac{4 \left( y_2 \right)^3}{y_3} + y_3 = x^2 - 1\], then


The general solution of a differential equation of the type \[\frac{dx}{dy} + P_1 x = Q_1\] is


cos (x + y) dy = dx


(x2 + 1) dy + (2y − 1) dx = 0


`y sec^2 x + (y + 7) tan x(dy)/(dx)=0`


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\[\frac{dy}{dx} + 5y = \cos 4x\]


\[\cos^2 x\frac{dy}{dx} + y = \tan x\]


For the following differential equation, find the general solution:- \[\frac{dy}{dx} = \left( 1 + x^2 \right)\left( 1 + y^2 \right)\]


For the following differential equation, find the general solution:- `y log y dx − x dy = 0`


For the following differential equation, find the general solution:- \[\frac{dy}{dx} + y = 1\]


Solve the following differential equation:-

\[\frac{dy}{dx} - y = \cos x\]


Solve the following differential equation:-

\[\frac{dy}{dx} + 3y = e^{- 2x}\]


Find a particular solution of the following differential equation:- x2 dy + (xy + y2) dx = 0; y = 1 when x = 1


Solve the differential equation : `("x"^2 + 3"xy" + "y"^2)d"x" - "x"^2 d"y" = 0  "given that"  "y" = 0  "when"  "x" = 1`.


The general solution of the differential equation `"dy"/"dx" + y/x` = 1 is ______.


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)`.


Solve:

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


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Integrating factor of the differential equation `("d"y)/("d"x) + y tanx - secx` = 0 is ______.


The general solution of the differential equation (ex + 1) ydy = (y + 1) exdx is ______.


The solution of the differential equation `("d"y)/("d"x) + (2xy)/(1 + x^2) = 1/(1 + x^2)^2` is ______.


The number of arbitrary constants in the general solution of a differential equation of order three is ______.


Number of arbitrary constants in the particular solution of a differential equation of order two is two.


Find the particular solution of the following differential equation, given that y = 0 when x = `pi/4`.

`(dy)/(dx) + ycotx = 2/(1 + sinx)`


The differential equation of all parabolas that have origin as vertex and y-axis as axis of symmetry is ______.


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