Ask Your Question

Revision history [back]

Symbolic and numerical do not like eachother, instead of 0.5 and 0.3, use 1/2 and 3/10 :

sage: solve( [(2*x / (4+x**2)) < 1/2 , (2*x / (x**2 + 4)) > 3/10 ], x, to_poly_serve=True )
[[(2/3) < x, x < 6, x - 2 != 0]]

Symbolic and numerical do not like eachother, instead of 0.5 and 0.3, use 1/2 and 3/10 :

sage: solve( [(2*x / (4+x**2)) < 1/2 , (2*x / (x**2 + 4)) > 3/10 ], x, to_poly_serve=True )
x)
[[(2/3) < x, x < 6, x - 2 != 0]]