Question

If x=√3+1/√3-1 ,y=√3×1/√3+1 Find x+y?

please ans
It's urgent​

Answer 1

x+y = [(√3+1)(√3+1) - (√3-1)(√3-1)]/(√3-1)(√3+1)

= [3+1+2√3-3-1+2√3]/(3-1)

= [4√3]/2

= 2√3