Question

If x=5- 2 root 6 then find the value of x 2 -1/x 2

Answer 1

Step-by-step explanation:

The answers is in picture

Answer 2

Answer:

it is given that x=5-2√6

and we have to find the value of x²-1/x²

Step-by-step explanation:

putting x=5-2√6 in the equation x²-1/x²

we get,

(5-2√6)²-1/(5-2√6)²

=25-4×6-1/25-4×6

=1-1/1=0