Question

x to the power 4 +4/x to the power 4 in a square -b square formula

Answer 1

Hi ,

x⁴ + 4/x⁴

= ( x² )² + ( 2/x² )²

= ( x² )² + ( 2/x² )² + 2 × x² × ( 2/x² ) - 2x²( 2/x²)

= ( x² + 2/x² )² - 4

= ( x² + 2/x² )² - 2²

= ( x² + 2/x² + 2 ) ( x² + 2/x² - 2 )

I hope this helps you.

: )

Answer 2

Hi,

Please see the attached file!



Thanks