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A simple fraction (also known as a common fraction or vulgar fraction) [n 1] is a rational number written as a/b or , where a and b are both integers. [9] As with other fractions, the denominator (b) cannot be zero. Examples include 1 / 2 , − 8 / 5 , −8 / 5 , and 8 / −5 .
The polynomial x 2 + cx + d, where a + b = c and ab = d, can be factorized into (x + a)(x + b).. In mathematics, factorization (or factorisation, see English spelling differences) or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind.
The 11% sp 3 d contribution results in a net stabilization of the molecule by 7.2 kcal (30 kJ) mol −1, [6] a minor but significant fraction of the total energy of the total bond energy (64 kcal (270 kJ) mol −1). [7]
The minimum-pressure azeotrope has an ethanol fraction of 100% [85] and a boiling point of 306 K (33 °C), [84] corresponding to a pressure of roughly 70 torr (9.333 kPa). [86] Below this pressure, there is no azeotrope, and it is possible to distill absolute ethanol from an ethanol-water mixture.