Question

If x^4 + 1/x^4=2,find the value of x + 1/x​

Answer 1

Step-by-step explanation:

x−

x

1

=2

squaring both side we have

(x−

x

1

)

2

=4

x

2

+

x

2

1

−2=4

x

2

+

x

2

1

=6

Again squaring both side we have

x

4

+

x

4

1

−2=36

x

4

+

x

4

1

=34

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Answer 2

Answer:

x ×4 + 1/4×x =2

4x + 1/4x = 2

x+1/4x = 1/2

x+1/x = 1/2 ×4

x + 1/x = 2

Step-by-step explanation:

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