Question

If x = √3+√2/√3-√2, find

(i) x² + 1/x²
​

Answer 1

x²+1/x² the answer is 98

Answer 2

Answer:

At first,

x = √3+√2/√3-√2

1/x= 1/√3+√2/√3-√2

= √3-√2/√3+√2

x +1/x=2(3+2)/(3-2)

=10

now,

x² + 1/x² =(10)^2-2

=98