Question

x+1/x=3, then 6x/x^2+1=?

Answer 1

Step-by-step explanation:

x+1/x = 3

x+1=3x

1 = 2x

x = 1/2

----> 6(1/2)/(1/2)²+1

= 3/(1/4 + 1)

= 3/5/4

= 4 ×3 /5

= 12/5

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