Question

if x-1 divide x=root 6 then x2+1divide x2​

Answer 1

Answer:

8

Step-by-step explanation:

x - 1/x = √6

•square both sides

(x - 1/x)² = (√6)²

x² + 1/x² -2(x)(1/x) = 6

x² + 1/x² -2 = 6

x² + 1/x² = 8