Question

If x = 2 + √3, find the value of
(i) x + 1/x

(ii) x – 1/x

(iii) x^2 + 1/x^2

(iv) x^2 – 1/x^2
solve as fast as possible plssss and i will mark you brainliest

Answer 1

Step-by-step explanation:

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