Question

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

Answer 1

Step-by-step explanation:

$Given that,</p><p></p><p>a=2+3</p><p></p><p>Then, Value of</p><p></p><p>  a−a1=2+3−2+31</p><p></p><p> =2+3−2+31×2−32−3onrationalize</p><p></p><p> =2+3−4−3(2−3)</p><p></p><p> =2+3−2+3</p><p></p><p> =23</p><p></p><p>Hence, this is the answer.</p><p></p><p>$

Answer 2

Step-by-step explanation:

I hope you like it

thx on my answer's plz