मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

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

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प्रश्न

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

पर्याय

  • y = ex + c

  • y = e–x + c

  • y = – e–x + c

  • y = e2x + c

MCQ
रिकाम्या जागा भरा
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उत्तर

The general solution of `(dy)/(dx)` = e−x is y = − e−x + 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)2 = 4(x - b)


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:

c1x3 + c2y2 = 5


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 all parabolas whose axis is the X-axis.


Solve the following differential equation:

`log  ("dy"/"dx") = 2"x" + 3"y"`


Solve the following differential equation:

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


Solve the following differential equation:

`"sec"^2 "x" * "tan y"  "dx" + "sec"^2 "y" * "tan x"  "dy" = 0` 


Solve the following differential equation:

cos x . cos y dy − sin x . sin y dx = 0


Solve the following differential equation:

`"y"^3 - "dy"/"dx" = "x"^2 "dy"/"dx"`


Solve the following differential equation:

`2"e"^("x + 2y") "dx" - 3"dy" = 0`


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


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

`cos("dy"/"dx") = "a", "a" ∈ "R", "y"(0) = 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 solution of `"dy"/"dx" = ("y" + sqrt("x"^2 - "y"^2))/"x"` is


Choose the correct option from the given alternatives:

The solution of `"dy"/"dx" + "y" = cos "x" - sin "x"`


Choose the correct option from the given alternatives:

The solution of the differential equation `"dy"/"dx" = sec "x" - "y" tan "x"`


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.

`"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)


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.


Form the differential equation of the hyperbola whose length of transverse and conjugate axes are half of that of the given hyperbola `"x"^2/16 - "y"^2/36 = "k"`.


Solve the following differential equation:

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


Solve the following differential equation:

x dy = (x + y + 1) dx


Solve the following differential equation:

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


Solve the following differential equation:

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


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 from the relation x2 + 4y2 = 4b2 


Form the differential equation of all straight lines touching the circle x2 + y2 = r2


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


Find the differential equation of the curve represented by xy = aex + be–x + x2


Solve the following differential equation:

`xsin(y/x)dy = [ysin(y/x) - x]dx`


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


The differential equation of all parabolas whose axis is Y-axis, is ______.


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


Form the differential equation whose general solution is y = a cos 2x + b sin 2x.


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


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