Question 445438
{{{5/X^2-4}}}

{{{5/X^2-4X^2/X^2}}}

{{{(5-4X^2)/X^2}}}

or

{{{-(4X^2-5)/X^2}}}.........{{{X}}} cannot be zero

roots:

{{{x=sqrt(5)/2}}} or {{{x=-sqrt(5)/2}}}

{{{x}}} from {{{-1}}} to {{{1}}}

{{{ graph( 500, 500, -1.5, 1.5, -10, 10, -(4x^2-5)/x^2)) }}}


{{{x}}} from {{{-4}}} to {{{4}}}

{{{ graph( 500, 500, -4.5, 4.5, -10, 10, -(4x^2-5)/x^2)) }}}