Question

If x = 2 + root 3 , x - 1/x =

Answer quick plz

Answer 1

Answer:

2into3is equal to 6 which is even

Answer 2

Answer:

2√3

Step-by-step explanation:

Given :

x = 2 + √3

Then,

(1/x)

= (1/2 + √3)

On rationalizing, we get

⇒ (1/2 + √3) * (2 - √3/2 - √3)

⇒ (2 - √3)/(2² - √3²)

⇒ (2 - √3)/(4 - 3)

⇒ (2 - √3)/1

⇒ 2 - √3

Now,

x - 1/x

⇒ (2 + √3) - (2 - √3)

⇒ 2 + √3 - 2 + √3

⇒ 2√3

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