Question

please solve it
it is of irrational number
no unnecessary answers else I will report it​
if it is correct I will mark as brainliest

Answer 1

Answer:

given,

a=2+√3,

a-1/a=(2+√3)-1/(2+√3),

=[(2+√3)^2-1]/(2+√3),

=(4+3+4√3-1)/(2+√3),

=(6+4√3)/(2+√3),

=[((6+4√3)/(2+√3)]*[(2-√3)/(2-√3)],

=(12-8√3-6√3+12)/(4-3),

=(24-14√3)/1,

=24-14√3