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## Homework Statement

(1-xcotx)y''-xy'+y=0

y

_{1}(x)=x is a solution

find the second solution, y

_{2}(x), y1 and y2 are linear independent

## Homework Equations

N/A

## The Attempt at a Solution

i only know how to find it by auxiliary equation by substitute y=e

^{rx}

and also i cant use substitution y=x

^{r}

how to do this?

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