Mathematical s paper iii time allowed: 2% hours] note : attempt all questions either from se i & iii only. the omr sheets with the sections viz. ii & iii, will

Mathematical S Paper III Time Allowed: 2% Hours] Note : Attempt all questions either from Se I & III only. The OMR sheets with the Sections viz. II & III, will not Section I: Q. Nos. 1 to 5, Section III: Q. Nos. 76 to 145. Section I 2. L 1. Let +y -, (x ) # (0, 0) x, J) == P 0, (x, y) = (0, 0). = Then df of A) and exist at (0, 0) (B) {x, Y) is continuous at (0, 0) C) fx, ) is differentiable at (0, 0) (D) Ax, ) is continuously differ- entiable at (0, 0) topic btana aur explain bhi