हिंदी

The general solution of dydx = e−x is ______.

Advertisements
Advertisements

प्रश्न

The general solution of `(dy)/(dx)` = e−x is ______.

विकल्प

  • y = ex + c

  • y = e–x + c

  • y = – e–x + c

  • y = e2x + c

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

The general solution of `(dy)/(dx)` = e−x is y = − e−x + c.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2.6: Differential Equations - MCQ

संबंधित प्रश्न

Obtain the differential equation by eliminating the arbitrary constants from the following equation:

x3 + y3 = 4ax


Obtain the differential equation by eliminating the arbitrary constants from the following equation:

y = A cos (log x) + B sin (log x)


Form the differential equation of all parabolas whose axis is the X-axis.


In the following example verify that the given expression is a solution of the corresponding differential equation:

y = xm; `"x"^2 ("d"^2"y")/"dx"^2 - "mx" "dy"/"dx" + "my" = 0`


In the following example verify that the given expression is a solution of the corresponding differential equation:

y = `"a" + "b"/"x"; "x" ("d"^2"y")/"dx"^2 + 2 "dy"/"dx" = 0`


In the following example verify that the given expression is a solution of the corresponding differential equation:

y = `"e"^"ax"; "x" "dy"/"dx" = "y" log "y"`


Solve the following differential equation:

`"dy"/"dx" = - "k",` where k is a constant.


Solve the following differential equation:

`"dy"/"dx" = "e"^("x + y") + "x"^2 "e"^"y"`


For the following differential equation find the particular solution satisfying the given condition:

`y(1 + log x) dx/dy - x log x = 0, y = e^2,` when x = e


For the following differential equation find the particular solution satisfying the given condition:

`(e^y + 1) cos x + e^y sin x. dy/dx = 0,  "when" x = pi/6,` y = 0


Reduce the following differential equation to the variable separable form and hence solve:

`"dy"/"dx" = cos("x + y")`


Reduce the following differential equation to the variable separable form and hence solve:

`("x - y")^2 "dy"/"dx" = "a"^2`


Reduce the following differential equation to the variable separable form and hence solve:

`"x + y""dy"/"dx" = sec("x"^2 + "y"^2)`


Reduce the following differential equation to the variable separable form and hence solve:

`cos^2 ("x - 2y") = 1 - 2 "dy"/"dx"`


Choose the correct option from the given alternatives:

The differential equation of y = `"c"^2 + "c"/"x"` is


Choose the correct option from the given alternatives:

The differential equation of all circles having their centres on the line y = 5 and touching the X-axis is


In the following example verify that the given function is a solution of the differential equation.

`"x"^2 + "y"^2 = "r"^2; "x" "dy"/"dx" + "r" sqrt(1 + ("dy"/"dx")^2) = "y"`


In the following example verify that the given function is a solution of the differential equation.

`"y" = "e"^"ax" sin "bx"; ("d"^2"y")/"dx"^2 - 2"a" "dy"/"dx" + ("a"^2 + "b"^2)"y" = 0`


In the following example verify that the given function is a solution of the differential equation.

`"y" = 3 "cos" (log "x") + 4 sin (log "x"); "x"^2 ("d"^2"y")/"dx"^2 + "x" "dy"/"dx" + "y" = 0`


In the following example verify that the given function is a solution of the differential equation.

`"xy" = "ae"^"x" + "be"^-"x" + "x"^2; "x" ("d"^2"y")/"dx"^2 + 2 "dy"/"dx" + "x"^2 = "xy" + 2`


In the following example verify that the given function is a solution of the differential equation.

`"x"^2 = "2y"^2 log "y",  "x"^2 + "y"^2 = "xy" "dx"/"dy"`


Obtain the differential equation by eliminating the arbitrary constants from the following equation:

y = a sin (x + b)


Obtain the differential equation by eliminating the arbitrary constants from the following equation:

(y - a)2 = b(x + 4)


Solve the following differential equation:

`"dy"/"dx" = ("2y" - "x")/("2y + x")`


Solve the following differential equation:

`"dy"/"dx" + "y cot x" = "x"^2 "cot x" + "2x"`


Select and write the correct alternative from the given option for the question

Solution of the equation `x  ("d"y)/("d"x)` = y log y is


Form the differential equation of family of standard circle


Find the differential equation from the relation x2 + 4y2 = 4b2 


The differential equation having y = (cos-1 x)2 + P (sin-1 x) + Q as its general solution, where P and Q are arbitrary constants, is 


Find the differential equation of the family of all non-vertical lines in a plane


Find the differential equation of the family of all non-horizontal lines in a plane 


Find the differential equation of the family of parabolas with vertex at (0, –1) and having axis along the y-axis


Find the differential equation corresponding to the family of curves represented by the equation y = Ae8x + Be 8x, where A and B are arbitrary constants


The differential equation of all lines perpendicular to the line 5x + 2y + 7 = 0 is ____________.


The general solution of the differential equation of all circles having centre at A(- 1, 2) is ______.


The elimination of the arbitrary constant m from the equation y = emx gives the differential equation ______.


The differential equation representing the family of parabolas having vertex at origin and axis along positive direction of X-axis is ______.


If m and n are respectively the order and degree of the differential equation of the family of parabolas with focus at the origin and X-axis as its axis, then mn - m + n = ______.


The differential equation for all the straight lines which are at the distance of 2 units from the origin is ______.


If y = (tan–1 x)2 then `(x^2 + 1)^2 (d^2y)/(dx^2) + 2x(x^2 + 1) (dy)/(dx)` = ______.


The differential equation of all circles passing through the origin and having their centres on the X-axis is ______.


The differential equation for a2y = log x + b, is ______.


Solve the differential equation

cos2(x – 2y) = `1 - 2dy/dx`


Find the particular solution of the differential equation `x^2 dy/dx + y^2 = xy dy/dx`, if y = 1 when x = 1.


A particle is moving along the X-axis. Its acceleration at time t is proportional to its velocity at that time. Find the differential equation of the motion of the particle.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×