Sygyt is a technique used in Tuvanthroat-singing (xoomii), described as "a two-note style with the mouth shaped to say 'er'". It produces a rather piercing sound.
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... a single fraction; the common denominator is 4a2. We get
<math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math>
Taking ...