Question

x+1/x=5 then x value ​

Answer 1

Answer:

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Step-by-step explanation:

We have (a−b)

3

=a

3

−b

3

−3ab(a−b)

∴a

3

−b

3

=(a−b)

3

+3ab(a−b)

Take a=x,b=

x

1

x

3

−

x

3

1

=(x−

x

1

)

3

+3x×

x

1

(x−

x

1

)

x

3

−

x

3

1

=(5)

3

+3(5)

x

3

−

x

3

1

=125+15=140

∴x

3

−

x

3

1

=140

Answer 2

Answer:

1/4

Step-by-step explanation:

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