Question

x = 5 – 2√6, find: x2 + 1/x2​

Answer 1

Answer:

x=5-2√6

x=5-√6×2×2

x=5-24

x=-19

so,

x2 + 1/x2

-19×2 + 1/-19×2

-38+1/-38

=-38×-38 + 1×-38 /-38

=1444+(-38)/-38

=1406/-38

this is the right answer

Answer 2

Step-by-step explanation:

Hope it's helpful to you..