bsc-2-sem-2smat-104-mat104-mathematics-p2-differential-equations-and-analysis-p4-w-2019.pdf GUG Question Paper and solutions Gondwana University, University in Gadchiroli, Maharashtra गोंडवाना विद्यापीठ, गडचिरोली विद्यापीठ, महाराष्ट्र