English

Verify that the given function (explicit or implicit) is a solution of the corresponding differential equation: y = x2 + 2x + C : y′ – 2x – 2 = 0 - Mathematics

Advertisements
Advertisements

Question

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

y = x2 + 2x + C  :  y′ – 2x – 2 = 0

Sum
Advertisements

Solution

y = x2 + 2x + C

`dy/dx` = 2x + 2

⇒ `dy/dx` - 2x - 2 = 0

or y’ - 2x - 2 = 0

The given function is the solution of the given differential equation.

shaalaa.com
  Is there an error in this question or solution?
Chapter 9: Differential Equations - Exercise 9.2 [Page 385]

APPEARS IN

NCERT Mathematics Part 1 and 2 [English] Class 12
Chapter 9 Differential Equations
Exercise 9.2 | Q 2 | Page 385

RELATED QUESTIONS

Solve the differential equation:  `x+ydy/dx=sec(x^2+y^2)` Also find the particular solution if x = y = 0.


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`


If x = Φ(t) differentiable function of ‘ t ' then prove that `int f(x) dx=intf[phi(t)]phi'(t)dt`


Find the particular solution of the differential equation dy/dx=1 + x + y + xy, given that y = 0 when x = 1.


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.


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


Find the particular solution of the differential equation

`tan x * (dy)/(dx) = 2x tan x + x^2 - y`; `(tan x != 0)` given that y = 0 when `x = pi/2`


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 \[\frac{dy}{dx} = 1 + x + y^2 + x y^2 , y\left( 0 \right) = 0\] is


Solution of the differential equation \[\frac{dy}{dx} + \frac{y}{x}=\sin x\] is


The solution of x2 + y \[\frac{dy}{dx}\]= 4, is


The solution of the differential equation x dx + y dy = x2 y dy − y2 x dx, is


The number of arbitrary constants in the general solution of differential equation of fourth order is


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


\[\frac{dy}{dx} = \frac{\sin x + x \cos x}{y\left( 2 \log y + 1 \right)}\]


\[\frac{dy}{dx} - y \tan x = - 2 \sin x\]


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


Find the particular solution of the differential equation \[\frac{dy}{dx} = - 4x y^2\] given that y = 1, when x = 0.


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


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


Solve the following differential equation:-

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


Solve the following differential equation:-

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


Solve the following differential equation:-

(1 + x2) dy + 2xy dx = cot x dx


Solve the following differential equation:-

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


Find the equation of the curve passing through the point (1, 1) whose differential equation is x dy = (2x2 + 1) dx, x ≠ 0.


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.`


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`.


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


The general solution of ex cosy dx – ex siny dy = 0 is ______.


The solution of the differential equation cosx siny dx + sinx cosy dy = 0 is ______.


The solution of the equation (2y – 1)dx – (2x + 3)dy = 0 is ______.


The differential equation for which y = acosx + bsinx is a solution, is ______.


The solution of `("d"y)/("d"x) + y = "e"^-x`, y(0) = 0 is ______.


The solution of the differential equation `("d"y)/("d"x) + (2xy)/(1 + x^2) = 1/(1 + x^2)^2` 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 particular solution of the differential equation `x (dy)/(dx) - y = x^2.e^x`, given y(1) = 0.


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×