I want to solve a relativity problem using SOLVE.
I used to be able to, but now I run into a problem.
lp=60e9*1000
dtp=1.25*24*3600
beta=var('beta')
gamma=1/(sqrt(1-beta^2))
solve(dtp*gamma==lp/(beta*c),beta)
the result I expect is a numerical value, but I get the following:
[beta == 733841/396000*sqrt(-beta^2 + 1)]
I am using Sage Version 4.6, Release Date: 2010-10-30 on Mac.
perhaps I am not aware of a change made to solve since previous
releases?
Thanks in advance for any help on this...
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