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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Select and write the correct alternative from the given option for the question The solutiion of dydx+x2y2 = 0 is

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प्रश्न

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

The solutiion of `("d"y)/("d"x) + x^2/y^2` = 0 is

पर्याय

  • x3 + y3 = 7

  • x2 + y2 = c

  • x3 + y3 = c

  • x + y = c

MCQ
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उत्तर

x3 + y3 = c

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पाठ 2.6: Differential Equations - MCQ

संबंधित प्रश्‍न

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

y = a + `"a"/"x"`


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

y = e−2x (A cos x + B sin x)


Find the differential equation of the ellipse whose major axis is twice its minor axis.


Form the differential equation of family of lines parallel to the line 2x + 3y + 4 = 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`


Solve the following differential equation:

`"y" - "x" "dy"/"dx" = 0`


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


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:

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


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


Choose the correct option from the given alternatives:

The solution of `"dy"/"dx" = ("y" + sqrt("x"^2 - "y"^2))/"x"` is


Choose the correct option from the given alternatives:

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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.

`"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 = `sqrt("a" cos (log "x") + "b" sin (log "x"))`


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

y = `"Ae"^(3"x" + 1) + "Be"^(- 3"x" + 1)`


Form the differential equation of all parabolas which have 4b as latus rectum and whose axis is parallel to the Y-axis.


Solve the following differential equation:

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


Solve the following differential equation:

`"dx"/"dy" + "8x" = 5"e"^(- 3"y")`


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

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Find the differential equation of family of all ellipse whose major axis is twice the minor axis


Find the differential equation by eliminating arbitrary constants from the relation x2 + y2 = 2ax


Find the differential equation by eliminating arbitrary constants from the relation y = (c1 + c2x)ex 


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 equations of the family of all the ellipses having foci on the y-axis and centre at the origin


Choose the correct alternative:

The slope at any point of a curve y = f(x) is given by `("d"y)/("d"x) - 3x^2` and it passes through (-1, 1). Then the equation of the curve is


If `x^2 y^2 = sin^-1 sqrt(x^2 + y^2) + cos^-1 sqrt(x^2 + y^2)`, then `"dy"/"dx"` = ?


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 ______.


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 = ______.


Form the differential equation of all lines which makes intercept 3 on x-axis.


The differential equation whose solution is (x – h)2 + (y – k)2 = a2 is (where a is a constant) ______.


The differential equation representing the family of ellipse having foci either on the x-axis or on the y-axis centre at the origin and passing through the point (0, 3) is ______.


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


The differential equation of all parabolas having vertex at the origin and axis along positive Y-axis is ______.


Solve the differential equation

cos2(x – 2y) = `1 - 2dy/dx`


Solve the differential equation

ex tan y dx + (1 + ex) sec2 y dy = 0


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.


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