Input:
dsolve(ds(y ,x,-2)-2y=exp(x))
Write:
`dsolve(ds(y ,x,-2)-2y=exp(x))`
Compute:
$$dsolve(\int \int y\ (dx)^{2.0}-2\ y=exp(x))$$
Output:
$$dsolve(\int \int y\ (dx)^{2.0}-2\ y=exp(x))== (-exp(x))+C_2\ exp((-0.7071067811865476)\ x)+C_1\ exp(0.7071067811865476\ x)$$
Result: $$(-exp(x))+C_2\ exp((-0.7071067811865476)\ x)+C_1\ exp(0.7071067811865476\ x)$$
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