The indicated function
y1(x)
is a solution of the given differential equation. Use reduction of order or formula (5) in Section 4.2,
y2 = y1(x)
e−∫P(x) dx
y
2
1
(x)

dx
(5)
as instructed, to find a second solution
y2(x).
x2y'' + 2xy' − 6y = 0; y1 = x2
y2 =

Respuesta :

The indicated function y1(x) is a solution of the given differential equation, the second solution is mathematically given as

[tex]y2=\frac{-1}{5x^2}[/tex]

What is the second solution?

Generally, the equation for the differential equation is mathematically given as

x^2y^2+2xy1-6y=0

Where

p(x)=2/x

[tex]y_2=y_1\inte\frac{p(x)dx}{y1^2}dx\\\\\int{1/y1^2e^{\intp(x)dx}}dx=\int1/x^4.xe^{-2/x dx}dx\\\\\int{1/y1^2e^{\intp(x)dx}}dx=\int1/x^4.xe^{-2logx}dx\\\\\int{1/y1^2e^{\intp(x)dx}}dx=\int1/x^4.x * x^{-2}dx[/tex]

y2=x^2*-1/5x^5=-1/5x^3

[tex]y2=\frac{-1}{5x^2}[/tex]

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