Question

If x-1/x=2-√3,then find the value of x²+1/x².​

Answer 1

Answer:

Correct option is

C

14,−8

3

x=2−

3

⇒

x

1

=

2−

3

1

=2+

3

(x

2

+

x

2

1

)=(x+

x

1

)

2

−2=(2−

3

+2+

3

)

2

−2=14

(x

2

−

x

2

1

)=(x−

x

1

)(x+

x

1

)=(4×−2

3

)=−8

3