Question

If x +1 / x= 4, then Find The Value Of --> x4 +1 / x4​

Answer 1

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x + 1/x = 4

X²+1/x² +2 =16

x²+1/x²= 14

x^4+1/x^4 +2 = 14² = 196

x^4+1/x^4

= 194

Answer 2

Step-by-step explanation:

Correct option is B)

Given,

x+

x

1

=4

squaring on both sides, we get,

x

2

+

x

2

1

+2=16

x

2

+

x

2

1

=16−2=14

squaring on both sides, we get,

x

4

+

x

4

1

+2=196

x

4

+

x

4

1

=196−2=194

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