Question

if x = 3 √8 , then (x^4 + 1^4/x^4) is equal to​

Answer 1

Answer:

=[{(3√8)²}² + 1 /{(3√8)²}²]

=[(9×8)²+ 1/ (9×8)²]

= 72²+ 1/72²

= [(72²×72²)+1]÷72²

now you can solve....