Saturday, July 24, 2010

Explain Math Radical Rules

Introduction:
                Radical symbol used to indicate the square root or nth root. Radical of an algebraic group, a concept in algebraic group theory. Radical of a ring, in ring theory, a branch of mathematics, a radical of a ring is an ideal of "bad" elements of the ring. Radical of a module, in the theory of modules, the radical of a module is a component in the theory of structure and classification. Radical of an ideal, an important concept in abstract algebra. The radical symbol is ' √ ' . The cubic root of x can be expressed as `root(3)(x)`
                                                                                                                                                                                                  

Math Radical Rules:

                      Radical has product rule, Division rule and exponential rule.
Product rule for radical:
              Square root product rule:         `sqrt(xy)`   =  ` sqrtx * sqrt y`
              Cube root product rule:          `root3 (xy) `   = ` root3 (x) * root3 (y)`
              nth root product rule                ` rootn (xy) = rootn (x) * rootn (y)`
Examples of radicals product rules problem 1:
              Multiply the two radical `sqrt15 * sqrt4`
        Solution:
                            Given radicals `sqrt15 * sqrt4`          
               We know the math radical product rule   ` sqrt(xy)` = `sqrtx * sqrt y`
                                     So,  `sqrt15 * sqrt4` =`sqrt(15 * 4)`
                                                                = `sqrt60`
        Answer:  `sqrt60`   

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