Given the four equations:<spanclass=′latex−bold′>(1)</span>3y−2x=12<spanclass=′latex−bold′>(2)</span>−2x−3y=10<spanclass=′latex−bold′>(3)</span>3y+2x=12<spanclass=′latex−bold′>(4)</span>2y+3x=10The pair representing the perpendicular lines is:
<spanclass=′latex−bold′>(A)</span>(1) and (4)<spanclass=′latex−bold′>(B)</span>(1) and (3)<spanclass=′latex−bold′>(C)</span>(1) and (2)<spanclass=′latex−bold′>(D)</span>(2) and (4)<spanclass=′latex−bold′>(E)</span>(2) and (3)