Revision history [back]
 | 1 | initial version |
sage: l=e^(1/2*x)+e^x
sage: var('u')
u
sage: lu=l.subs(x=2*log(u))
sage: assume(u>0)
sage: solve(lu==2,u)
[u == 1]
sage: 2*log(1)
0
| | 1 | initial version |
sage: l=e^(1/2*x)+e^x
sage: var('u')
u
sage: lu=l.subs(x=2*log(u))
sage: assume(u>0)
sage: solve(lu==2,u)
[u == 1]
sage: 2*log(1)
0
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