[adsense:responsibe:9545213979]
sage:var('x f') sage:y=x^(1/2) sage:f3(f,x)=solve(2*x^2*diff(y,x,x)+f*diff(y,x)-y==0,f) sage:f4=f3[0].rhs() sage:f5=2*x^2*diff(y,x,x)+f4*diff(y,x)-y sage:f3,f5 Resultado de la funcion con Sage ((f, x) |--> (f == 3*x), (f, x) |--> 0)
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