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An unresolved root, especially one using the radical symbol, is sometimes referred to as a surd [2] or a radical. [3] Any expression containing a radical, whether it is a square root, a cube root, or a higher root, is called a radical expression , and if it contains no transcendental functions or transcendental numbers it is called an algebraic ...
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In the case of two nested square roots, the following theorem completely solves the problem of denesting. [2]If a and c are rational numbers and c is not the square of a rational number, there are two rational numbers x and y such that + = if and only if is the square of a rational number d.
Rules for Radicals: A Pragmatic Primer for Realistic Radicals is a 1971 book by American community activist and writer Saul D. Alinsky about how to successfully run a movement for change. It was the last book written by Alinsky, and it was published shortly before his death in 1972.
List of Kangxi radicals － a system of 214 components used by the Kangxi dictionary (1716), made under the leadership of the Kangxi Emperor; List of Unicode radicals － CJK radicals included in the Unicode Standard. List of Xinhua Zidian radicals; Chinese characters description languages － computer and SVG based description of CJK ...
Between December 2013 and December 2016, the national uninsured rate fell from 17.3 percent to 10.8 percent. The decrease is much greater in states that expanded Medicaid, and the gap between the top and bottom states has grown.
Historian Evelyn Farr compiled a set of revealing letters between Marie Antoinette and Swedish count and diplomat, Axel von Fersen. New book claims Marie Antoinette had 2 secret love children Skip ...
In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron. [1] [2] With some exceptions, these unpaired electrons make radicals highly chemically reactive. Many radicals spontaneously dimerize. Most organic radicals have short lifetimes.