why is this happening?
- To: mathgroup at smc.vnet.net
- Subject: [mg99198] why is this happening?
- From: sean_incali at yahoo.com
- Date: Wed, 29 Apr 2009 06:40:23 -0400 (EDT)
Consider the following.
Solve[k1 ld + k1 k2 + ld^2 == 0, ld]
Solve[k2/k1 + ld^2 + ld == 0, ld]
I expected to get the output I got from the first code.
>From the second code, I was expecting something along the lines of
ld ->-1 + (SquareRoot[1 - 4 (k2/k21)])/2
ld -> -1 - (SquareRoot[1 - 4 (k2/k21)])/2
since that is the answer.
Why is Mathematica turning the second scaled equation into the
unscaled one in the first before solving it?
Thanks for any insight.
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