Question 30902
{{{-4a^(-1)}}}


well, {{{a^(-1)}}} means {{{1/a }}}
just like {{{a^(-2)}}} means {{{1/a^2 }}}
and {{{a^(-3)}}} means {{{1/a^3 }}} etc.


so, {{{-4a^(-1)}}} is {{{ -4/a }}}


jon.