Question 644019
{{{5a^-2=1/5}}}


{{{5(1/a^2)=1/5}}}

{{{5/a^2=1/5}}}......cross multiply

{{{5*5=1*a^2}}}

{{{25=a^2}}}

{{{sqrt(25)=a}}}

solutions:

{{{a=5}}} or {{{a=-5}}}

{{{ graph( 600, 600, -15, 15, -10, 10, 5(1/x^2)-1/5) }}}