moulinabir959 moulinabir959
  • 22-01-2022
  • Mathematics
contestada

if x+1/x=5, then what is the value of x⁴-1/x⁴?​

Respuesta :

annaleutiger annaleutiger
  • 22-01-2022

Answer:

x=1, then the value is 0

x=5, then the value is 624/625

Step-by-step explanation:

Instead of x, we plugin 1.

[tex]\frac{1^{4}-1 }{1^{4} } = \frac{1-1}{1} = \frac{0}{1} =0[/tex]

Instead of x, we plugin 5.

[tex]\frac{5^{4}-1 }{5^{4} } = \frac{625-1}{625} = \frac{624}{625} [/tex]

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