Discrete Mathematics MCQ Set 1 1. Find the value of ∫∫xyex + y dxdy a) yey (xex-ex ) b) (yey-ey)(xex-ex) c) (yey-ey )xex d) (yey-ey )(xex+ex ) AnswerAnswer: b Add constant automatically [Reason:] Given, ∫∫xyex + y dxdy ∫∫xyex ey dxdy= ∫yey dy∫xex dx=(yey-ey)(xex-ex). 2. Find the value of ∫∫ x⁄x2 + y2 dxdy a)…