Input:
dsolve(ds(y^2,x,-2)=y-x)
Write:
dsolve(ds(y^2,x,-2)=y-x)
Output:
dsolve(\int \int {y}^{2}\ (dx)^{2.0}=y - x)== 6\ weierstrassP(C_1+x,0,C_2)
(dy)/dx -3 (d^0.5y)/dx^0.5+2y-exp(x)=0
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