Question

if a= 6+42√3 then find the value of a-1/a​

Answer 1

Step-by-step explanation:

hope this will be the correct answer

Answer 2

Step-by-step explanation:

Let age of Mohan is

years. Then, age of Sohan is

years.<br> Then,

<br>

<br>

Age of Mohan

years<br> Age of Sohan

years.<br>