Question

if a=2+√3 then find the value of a -1/a.

Answer 1

HEY MATE!!

Given that,

a = 2 + √3

Now,


a-1/a

2+√ 3 -1/2+√3

=> 1+√3/2+√3

=> 1+1.732/2+1.732

=> 2.732/3.732

=> 0.7320471597



*HOPE IT HELPS U*✌✌

Answer 2

Heya!


Here is yr answer
_______________________________



Given,

a = 2 + √3


=> a - 1/a

=> 2+√3 - 1/2+√3

=> (2+√3)² / 2+√3 - 1/2+√3

=> 4+4√3+3 /2+√3 - 1/2+√3

=> 7+4√3 - 1 / 2+√3

=> 6+4√3 / 2+√3

=> 2 (3+2√3) / 2+√3

Hope it hlpz...