Mathematics of Operations Research, Vol. 5, No. 1 (Feb., 1980), pp. 120-125 (6 pages) Necessary and sufficient conditions for convexity of lower semi-continuous quasiconvex functions are given. By ...

In this artice, students will get the PDF of NCERT Exemplar Book and Solutions of Class 12 Mathematics Chapter 1 - Relations and Functions. It will help you to score good marks in board exams as well ...

This is a preview. Log in through your library . Abstract In mathematics education, researchers have proposed a wide range of improvements of teaching practice in school, but only a few of these ...