Recent content by Edward2

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    How Do You Differentiate a Power Series Like \(\sum \frac{x^n}{n \cdot 3^n}\)?

    I have the following DE to be solved through series y'+xy=1-x+x^2 simply I can't find the right solution, which is : x-1+A[1-x^2/2+X^4/(4*2!)... Please help!
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