Question 357113
4/(1+sqrt(3)) We don't solve this. we rationalize the denominator.
4/(1+sqrt(3)) * (1-sqrt(3))/(1-sqrt(3))
=4(1-sqrt(3))/(1-3)
=(4-4sqrt(3))/-2
=-(4-4sqrt(3))/2
=(4sqrt(3)-4)/2
=2sqrt(3)-2
.
Ed