Question

If x +1/x =5, find the value of x^4 + 1/x^4.​

Answer 1

Answer:

x+1/x=5

x+1=5x

4x=1

x=1/4

x⁴+1/x⁴

substituting value of x

(1/4)⁴+1/(1/4)⁴

1/16+1/(1/16)

1/16+16

(1+256)/16

257/16

or (16)1/16