# if a=2+√3, then find value of a-1/a

## Answers

Answered by

1307

Heya friend,

Here is the answer you were looking for:

On rationalizing the denominator we get,

Using the identity :

Putting the values,

Hope this helps!!!

Feel free to ask in the comment section if you have any doubt regarding to my answer...

@Mahak24

Thanks...

☺☺

Here is the answer you were looking for:

On rationalizing the denominator we get,

Using the identity :

Putting the values,

Hope this helps!!!

Feel free to ask in the comment section if you have any doubt regarding to my answer...

@Mahak24

Thanks...

☺☺

nancyyy:
wah mahak wah ^_^"

Answered by

17

**Answer:**

**a - **** =2√3**

**Step-by-step explanation:**

**Given,**

a = 2+√3

**To find,**

a -

**Solution:**

a = 2+√3

=

**The rationalizing factor is 2 - **

=

=

= 2 - √3

a - = 2+√3 - (2-√3)

= 2+√3 - 2+√3

=2√3

**∴a - **** =2√3**

#SPJ2

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