<![CDATA[How to enter the formula for calculating roots for a 2. degree polynomial in the CAS-view with +/- ?]]>
https://help.geogebra.org/topic/how-to-enter-the-formula-for-calculating-roots-for-a-2-degree-polynomial-in-the-cas-view-with
Mon, 27 Jul 2020 08:23:28 +0000Sun, 26 Jul 2020 06:31:44 +0000Zend_Feed<![CDATA[+/- is no option to use as one sign (I mean of course in calculations). In fact it's always a simplification for the fact that there are two solutions. So you have te split up the two solutions while calculating, but of course you can use it in texts.]]>
https://help.geogebra.org/topic/how-to-enter-the-formula-for-calculating-roots-for-a-2-degree-polynomial-in-the-cas-view-with#comment-286554
Mon, 27 Jul 2020 06:36:59 +0000<![CDATA[LaTeX : - ± is \pm - ∓ is \mp]]>
https://help.geogebra.org/topic/how-to-enter-the-formula-for-calculating-roots-for-a-2-degree-polynomial-in-the-cas-view-with#comment-286562
Mon, 27 Jul 2020 06:30:42 +0000<![CDATA[why CAS? type a=2 b=3 c=4 a x^2+b x+c=0 (be careful with blank) then drag and drop the selection square of polynomial to graphics window (selection square is at left of polynomial expression) double click in text for editing change the second parameter by false and the formula text2 = "\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}"]]>
https://help.geogebra.org/topic/how-to-enter-the-formula-for-calculating-roots-for-a-2-degree-polynomial-in-the-cas-view-with#comment-286572
Mon, 27 Jul 2020 08:30:15 +0000