Question

if a=2√3 the find the value of a-1/a​

Answer 1

Answer:

Step-by-step explanation:

a=2√3

So, 1/a = 1 /2√3 = √3 / 2√3 × √3 = √3 / 6

a - 1/a = 2√3 - √3 / 6 = 12√3 / 6 - √3 / 6 = 11√3 / 6