The Turkish khan bashed the Tabgach for being content with sedentary life.
Later, a Kara-Khanid sultan of Kashgari was given the name Tabgach Mahmoud[?].
... \pm \sqrt {b^2-4ac}}{2a} </math> The term b2 – 4ac is called the discriminant of the quadratic equation, because it discriminates between thr ...