When a number is of a , that fraction is the number's rational exponent.
Such an expression is equivalent to a .
Image not found. We apologize, please report this so that we can fix it as soon as possible!File = mljsx_Rational_Exponent_Root_1.svg, id = Rational_Exponent_Root_1
Notice that the of the rational exponent gives the index of the root, while the gives the power to which
is raised. Since
is a denominator, it cannot be zero. Moreover, if
is an , then
must be .