Glossary (Version 8.4)

Index laws are rules for manipulating indices. They include

\(x^ax^b=x^{a+b};\text{   }\left(x^a\right)^b=x^{ab}\text{ }\)

\(x^ay^a=\left(xy\right)^a\)

and

\(x^0=1;\text{   }x^{-a}=\frac1{x^a};\text{  and  }x^{1/a}=\sqrt[a]x\)