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IF y=A(x+sqrt(x^2-1))^n+B(x-sqrt(x^2-1))...

IF y=A`(x+sqrt(x^2-1))^n+B(x-sqrt(x^2-1))^n`, Show that,
`(1-x^2)(d^2y)/(dx^2)-xdy/dx+n^2y=0`

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