Question

If x-1/x=5,find the value of x⁴+1/x⁴.

Answer 1

Answer:

625

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

x-1/x=5

x-1=5x

-1=5x-x

-1=4x

x= -1/4

then the value of

$\frac{x {}^{4} + 1 }{x {}^{4} }$

$\frac{x {}^{4} }{x {}^{4} } + \frac{1}{x {}^{4} }$

$1 + \frac{1}{ {x}^{4} }$

$1 + \frac{1}{ \frac{ - 1}{4} }$

$1 + \frac{4}{ - 1}$

$1 + ( - 4)$

$1 - 4$

$- 3$