Find quick revision notes of unit Vectors and 3D Geometry. This revision notes include important terms and formulae from these two chapters. At the time of examination this revision note will prove to ...

Class 11 makes a foundation for the CBSE board exams conducted in class 12 which is considered to be the most crucial stage in the academic life of a student. Class 12 board exam result will help you ...

Q. I have an Excel workbook that contains many tabs. We have a “Total” tab, but the formulas to sum all of those tabs gets very complicated. Plus, new worksheets get added and the formulas have to be ...