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OpenStudy (anonymous):
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OpenStudy (anonymous):
Show that y=x^2-x^-1 is a solution to the DE y''-2y/x^2=0
OpenStudy (anonymous):
y = x^2 -x^-1 y' = 2x+x^(-2) y'' = 2 -2x^(-3)
OpenStudy (anonymous):
substitute in DE
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