मराठी

Verify that the given function (explicit or implicit) is a solution of the corresponding differential equation: y = Ax : xy′ = y (x ≠ 0)

Advertisements
Advertisements

प्रश्न

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

y = Ax : xy′ = y (x ≠ 0)

बेरीज
Advertisements

उत्तर

We have, y = Ax                 ...(1)

Differentiating (1) w.r.t.x, we get,

y' = A                         ...(2)

Dividing (2) by (1), we get

`(y')/y = 1/x`

⇒ xy' = y

Hence, y = Ax is a solution of the given differential equation.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9: Differential Equations - Exercise 9.2 [पृष्ठ ३८५]

APPEARS IN

एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
पाठ 9 Differential Equations
Exercise 9.2 | Q 5 | पृष्ठ ३८५

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

The differential equation of the family of curves y=c1ex+c2e-x is......

(a)`(d^2y)/dx^2+y=0`

(b)`(d^2y)/dx^2-y=0`

(c)`(d^2y)/dx^2+1=0`

(d)`(d^2y)/dx^2-1=0`


Solve : 3ex tanydx + (1 +ex) sec2 ydy = 0

Also, find the particular solution when x = 0 and y = π.


Find the particular solution of differential equation:

`dy/dx=-(x+ycosx)/(1+sinx) " given that " y= 1 " when "x = 0`


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

y = x2 + 2x + C  :  y′ – 2x – 2 = 0


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

`y sqrt(1 + x^2) : y' = (xy)/(1+x^2)`


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


Solve the differential equation `[e^(-2sqrtx)/sqrtx - y/sqrtx] dx/dy = 1 (x != 0).`


If y = etan x+ (log x)tan x then find dy/dx


if `y = sin^(-1) (6xsqrt(1-9x^2))`, `1/(3sqrt2) < x < 1/(3sqrt2)` then find `(dy)/(dx)`


The population of a town grows at the rate of 10% per year. Using differential equation, find how long will it take for the population to grow 4 times.


The solution of the differential equation \[x\frac{dy}{dx} = y + x \tan\frac{y}{x}\], is


The solution of the differential equation \[\left( 1 + x^2 \right)\frac{dy}{dx} + 1 + y^2 = 0\], is


Find the general solution of the differential equation \[x \cos \left( \frac{y}{x} \right)\frac{dy}{dx} = y \cos\left( \frac{y}{x} \right) + x .\]


Find the particular solution of the differential equation \[\frac{dy}{dx} = \frac{x\left( 2 \log x + 1 \right)}{\sin y + y \cos y}\] given that

\[y = \frac{\pi}{2}\] when x = 1.

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


(1 + y + x2 y) dx + (x + x3) dy = 0


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


`2 cos x(dy)/(dx)+4y sin x = sin 2x," given that "y = 0" when "x = pi/3.`


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


Solve the following differential equation:-

\[x\frac{dy}{dx} + 2y = x^2 , x \neq 0\]


Solve the following differential equation:-

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


Solve the following differential equation:-

\[\left( x + y \right)\frac{dy}{dx} = 1\]


Solve the following differential equation:-

\[\left( x + 3 y^2 \right)\frac{dy}{dx} = y\]


Find a particular solution of the following differential equation:- \[\left( 1 + x^2 \right)\frac{dy}{dx} + 2xy = \frac{1}{1 + x^2}; y = 0,\text{ when }x = 1\]


Find the equation of a curve passing through the point (−2, 3), given that the slope of the tangent to the curve at any point (xy) is `(2x)/y^2.`


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


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


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


The general solution of `("d"y)/("d"x) = 2x"e"^(x^2 - y)` is ______.


Which of the following is the general solution of `("d"^2y)/("d"x^2) - 2 ("d"y)/("d"x) + y` = 0?


Solution of the differential equation `("d"y)/("d"x) + y/x` = sec x is ______.


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


General solution of `("d"y)/("d"x) + y` = sinx is ______.


The solution of differential equation coty dx = xdy is ______.


Polio drops are delivered to 50 K children in a district. The rate at which polio drops are given is directly proportional to the number of children who have not been administered the drops. By the end of 2nd week half the children have been given the polio drops. How many will have been given the drops by the end of 3rd week can be estimated using the solution to the differential equation `"dy"/"dx" = "k"(50 - "y")` where x denotes the number of weeks and y the number of children who have been given the drops.

The value of c in the particular solution given that y(0) = 0 and k = 0.049 is ______.


Which of the following differential equations has `y = x` as one of its particular solution?


Find the general solution of the differential equation `x (dy)/(dx) = y(logy - logx + 1)`.


Find the general solution of the differential equation:

`(dy)/(dx) = (3e^(2x) + 3e^(4x))/(e^x + e^-x)`


If the solution curve of the differential equation `(dy)/(dx) = (x + y - 2)/(x - y)` passes through the point (2, 1) and (k + 1, 2), k > 0, then ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×