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Question: How to get negative result from sqrt()?

Question:How to get negative result from sqrt()?

Petushator 20 Maple
sqrt
December 09 2014
0

Hello,

I have equation, which includes square roots. e.g.:

I know, that sqrt() will only return positive value, therefore when I put some values of a,b and c:

I get only one answer:

3.000000000

 

My question is how to calculate that second branch of the solution without altering eq. itself? (In my case this equation is derived from somewhere else and it cannot be modified)

 

 

 
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