Question

Hello
pls help
maths
class 9​

Answer 1

Step-by-step explanation:

Given

x-1/x=6

x²-x=6

x²-x-6=0

x²-3x+2x-6=0

x(x-3)+2(x-3)=0

(x-3)(x+2)=0

Neglecting (x+2)

x-3=0

x=3

To Solve

x⁴+1/x⁴= (3)⁴+1/(3)⁴

81+1/81=. 81×81+1/81=. 6561+1/81

= 6562/81