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CUET
General Test
Quantitative Reasoning
Algebra
If $x+\frac{1}{x}=8$, then find the value of $\frac{5}{x^2-8 x+2}$.
3
4
0
5
If $x+\frac{1}{x}=8$
then, x2 + 1 = 8x
$\frac{5}{x^2-8 x+2}$ = ?
Putting the value of 8x in the given equation =
$\frac{5}{x^2-x^2 - 1+2}$ = 5
