Differential Operators

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1. solution Evaluate (D-1)^{3}y=0,\,\,\,D={\frac  {d}{dx}}\,

2. solution Evaluate (D^{2}+5D-1)(\tan(2x)-3/x),\,\,\,D={\frac  {d}{dx}}\,

3. solution Find the general solution of (2D^{2}+5D-12)y=0\,

4. solution Find the general solution of (D^{2}-1)y=2x+e^{{2x}}\,




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