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## Homework Statement

Find the general solution of y' + 2ty = 0

## Homework Equations

## The Attempt at a Solution

so I know y = [tex]\Sigma^{\infty}_{n=0} a_n t^n[/tex] and y' =[tex]\Sigma^{\infty}_{n=1} n a_n t^{n-1}[/tex]

not sure what to do next.