Question

If x=3+root8 find the value of x^4+1/x^4

Answer 1

Step-by-step explanation:

x= 3+√8

x⁴+1/x⁴

= (3+√8)⁴ + 1/ (3+√8)⁴

= (3+2.828) + 1/ (3+2.828). {value of √8 = 2.828}

= 5.828+1/5.828

= 5.828+0.171

=5.999

= 6 [approximately]

hence 6 is the ans....

i hope it helps u

if so then plsss mark me as the brainliest.....