Question 1115401
2n= 1/n - 4

<pre>2n= 1/n - 4</pre>

{{{2n=1/n-4}}}


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{{{2n^2=1-4n}}}
{{{2n^2+4n-1=0}}}

{{{n=(-4+- sqrt(4^2-4*2*(-1)))/(4)}}}

{{{n=(-4+- sqrt(24))/4}}}

{{{n=(-4+- sqrt(2*2*2*3))/4}}}

{{{n=(-4+- 2*sqrt(6))/4}}}

{{{n=(-2+- sqrt(6))/2}}}