It is the introductory lecture regarding complex functions, which is according to the syllabus B. Sc. 6th Sem's syllabus of Maa Pateswari University, Balrampur, U. P. This lecture is prepared by Dr. S. K. Pandey, Assistant Professor & Head, Department of Mathematics, A. N. D. Kisan P. G. College, Babhnan, Gonda, U. P.
