हिंदी

F(x, y) = x2+y2+yx is a homogeneous function of degree ______. - Mathematics

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प्रश्न

F(x, y) = x2+y2+yx is a homogeneous function of degree ______.

रिक्त स्थान भरें

उत्तर

F(x, y) = x2+y2+yx is a homogeneous function of degree Zero.

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अध्याय 9: Differential Equations - Solved Examples [पृष्ठ १८९]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 12
अध्याय 9 Differential Equations
Solved Examples | Q 22. (iv) | पृष्ठ १८९

संबंधित प्रश्न

Show that the given differential equation is homogeneous and solve them.

y=x+yx


Show that the given differential equation is homogeneous and solve them.

(x2 – y2) dx + 2xy dy = 0


Show that the given differential equation is homogeneous and solve them.

x dy-y dx= x2+y2  dx


Show that the given differential equation is homogeneous and solve them.

{xcos(yx)+ysin(yx)}ydx={ysin(yx)- xcos(yx)}xdy


Show that the given differential equation is homogeneous and solve them.

xdydx -y+ xsin(yx)=0


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

(x + y) dy + (x – y) dx = 0; y = 1 when x = 1


A homogeneous differential equation of the from dxdy=h(xy) can be solved by making the substitution.


Find the particular solution of the differential equation (x-y)dydx=(x+2y) given that y = 0 when x = 1.


Prove that x2 – y2 = c(x2 + y2)2 is the general solution of the differential equation (x3 – 3xy2)dx = (y3 – 3x2y)dy, where C is parameter


xdydxy=2y2x2

xcos(yx)(ydx+xdy)=ysin(yx)(xdyydx)

(xy)dydx=x+2y

(2x2 y + y3) dx + (xy2 − 3x3) dy = 0


ydx+{xlog(yx)}dy2xdy=0

Solve the following initial value problem:
 (x2 + y2) dx = 2xy dy, y (1) = 0


Solve the following initial value problem:
(y4 − 2x3 y) dx + (x4 − 2xy3) dy = 0, y (1) = 1


Show that the family of curves for which dydx=x2+y22xy, is given by x2y2=Cx


Which of the following is a homogeneous differential equation?


Solve the following differential equation : [yxcos(yx)]dy+[ycos(yx)2xsin(yx)]dx=0 .


Solve the following differential equation:

(1+2exy)+2exy(1-xy)dydx=0


Solve the following differential equation:

y2 dx + (xy + x2)dy = 0


Solve the following differential equation:

y2-x2dydx=xydydx


F(x, y) = ycos(yx)+xxcos(yx) is not a homogeneous function.


A homogeneous differential equation of the dxdy=h(xy) can be solved by making the substitution.


If a curve y = f(x), passing through the point (1, 2), is the solution of the differential equation, 2x2dy = (2xy + y2)dx, then f(12) is equal to ______.


Read the following passage:

An equation involving derivatives of the dependent variable with respect to the independent variables is called a differential equation. A differential equation of the form dydx = F(x, y) is said to be homogeneous if F(x, y) is a homogeneous function of degree zero, whereas a function F(x, y) is a homogeneous function of degree n if F(λx, λy) = λn F(x, y).

To solve a homogeneous differential equation of the type dydx = F(x, y) = g(yx), we make the substitution y = vx and then separate the variables.

Based on the above, answer the following questions:

  1. Show that (x2 – y2) dx + 2xy dy = 0 is a differential equation of the type dydx=g(yx). (2)
  2. Solve the above equation to find its general solution. (2)

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