Question:

1. \(y''+y=\sin x,\,\,\,y\left( 0 \right)=1,\,\,y'\left( 0 \right)=0\)
2. 
   \(y''-y'=x{{e}^{x}}\)
3. 
   \(\left( 1-{{x}^{2}} \right)y''-2xy'+42y=0\)

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Solution: The downloadable solution consists of 5 pages
Deliverable: Word Document