Only real roots (basic)

• Subject: Only real roots (basic)
• From: Ricardo JF
• Date: Sun, 8 Dec 2013 16:26:43 +0300

hi friends,

why this doesn't give only real roots:

f(x):=x^3-x^2+x+1;
declare(x,real);
solve(f(x));

i just want [x=(sqrt(11)/...)]

thanks.
 		 	   		  

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