If x+$\frac{1}{x}$ =5, then the value of $\frac{5x}{x^{2}+5x+1}$ is

If x+$\frac{1}{x}$ =5, then the value of $\frac{5x}{x^{2}+5x+1}$ is
1). ⅓
2). ¼
3). ½
4). ⅕

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