Answer: B
\(x+ \cfrac{1}{x}=6\)
Or, \(\cfrac{x^2+1}{x}=6\)
Or, \(x^2+1=6x\)
Or, \(x^2-6x+1=0\)
\(∴\) Coefficient of \(x = -6\)
\(x+ \cfrac{1}{x}=6\)
Or, \(\cfrac{x^2+1}{x}=6\)
Or, \(x^2+1=6x\)
Or, \(x^2-6x+1=0\)
\(∴\) Coefficient of \(x = -6\)