The discriminant of the equation x^2\plus{}2x\sqrt{3}\plus{}3\equal{}0 is zero. Hence, its roots are:
<spanclass=′latex−bold′>(A)</span>real and equal<spanclass=′latex−bold′>(B)</span>rational and equal<spanclass=′latex−bold′>(C)</span>rational and unequal<spanclass=′latex−bold′>(D)</span>irrational and unequal<spanclass=′latex−bold′>(E)</span>imaginary