The equation x\plus{}\sqrt{x\minus{}2}\equal{}4 has:<spanclass=′latex−bold′>(A)</span>2 real roots<spanclass=′latex−bold′>(B)</span>1 real and 1 imaginary root<spanclass=′latex−bold′>(C)</span>2 imaginary roots<spanclass=′latex−bold′>(D)</span>No roots<spanclass=′latex−bold′>(E)</span>1 real root