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महाराष्ट्र राज्य शिक्षण मंडळएचएससी वाणिज्य (इंग्रजी माध्यम) इयत्ता १२ वी

State whether the following statement is True or False: The integrating factor of the differential equation dydx-y = x is e–x

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प्रश्न

State whether the following statement is True or False:

The integrating factor of the differential equation `("d"y)/("d"x) - y` = x is e–x 

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
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उत्तर

True

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1.8: Differential Equation and Applications - Q.3

संबंधित प्रश्‍न

Show that y = AeBx is a solution of the differential equation

\[\frac{d^2 y}{d x^2} = \frac{1}{y} \left( \frac{dy}{dx} \right)^2\]

Verify that y2 = 4ax is a solution of the differential equation y = x \[\frac{dy}{dx} + a\frac{dx}{dy}\]


Verify that y = log \[\left( x + \sqrt{x^2 + a^2} \right)^2\]  satisfies the differential equation \[\left( a^2 + x^2 \right)\frac{d^2 y}{d x^2} + x\frac{dy}{dx} = 0\]


Solve the differential equation \[\frac{dy}{dx} = e^{x + y} + x^2 e^y\].

\[y\sqrt{1 + x^2} + x\sqrt{1 + y^2}\frac{dy}{dx} = 0\]

(1 + x) (1 + y2) dx + (1 + y) (1 + x2) dy = 0


tan y \[\frac{dy}{dx}\] = sin (x + y) + sin (x − y) 

 


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

\[\left( x - 1 \right)\frac{dy}{dx} = 2 x^3 y\]

\[\cos y\frac{dy}{dx} = e^x , y\left( 0 \right) = \frac{\pi}{2}\]

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

Solve the following differential equations:
\[\frac{dy}{dx} = \frac{y}{x}\left\{ \log y - \log x + 1 \right\}\]


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

 


A population grows at the rate of 5% per year. How long does it take for the population to double?


Write the differential equation representing the family of straight lines y = Cx + 5, where C is an arbitrary constant.


y2 dx + (x2 − xy + y2) dy = 0


Solve the following differential equation.

y dx + (x - y2 ) dy = 0


Solve the differential equation:

`e^(dy/dx) = x`


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

Differential equation of the function c + 4yx = 0 is


Solve the differential equation `("d"y)/("d"x) + y` = e−x 


For the differential equation, find the particular solution

`("d"y)/("d"x)` = (4x +y + 1), when y = 1, x = 0


Solve the following differential equation y2dx + (xy + x2) dy = 0


The solution of differential equation `x^2 ("d"^2y)/("d"x^2)` = 1 is ______


Solve the following differential equation `("d"y)/("d"x)` = x2y + y


Verify y = log x + c is the solution of differential equation `x ("d"^2y)/("d"x^2) + ("d"y)/("d"x)` = 0


Verify y = `a + b/x` is solution of `x(d^2y)/(dx^2) + 2 (dy)/(dx)` = 0

y = `a + b/x`

`(dy)/(dx) = square`

`(d^2y)/(dx^2) = square`

Consider `x(d^2y)/(dx^2) + 2(dy)/(dx)`

= `x square + 2 square`

= `square`

Hence y = `a + b/x` is solution of `square`


Solve the differential equation `dy/dx + xy = xy^2` and find the particular solution when y = 4, x = 1.


The value of `dy/dx` if y = |x – 1| + |x – 4| at x = 3 is ______.


What distinguishes an ordinary differential equation from other types of differential equations?


Why is the equation \[x\frac{dy}{dx} + y = 0\] classified as a differential equation?


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