Question

if x=2 +√3 and y =2 -√3 then 1/x +1/y is​

Answer 1

Answer:

x=2+√3

y=2-√3

1/x+1/y

=1/(2+√3)+1/(2-√3)

=(2-√3+2+√3)/(2+√3)(2-√3)

=4/(4-3)

=4/1

=4