### Sum of a Geometric Progression when the last term is given - Class XI Maths CBSE

Click this link for more videos on Maths for Class XI http://www.iedubook.com/subject/cbse-mathematics-isce-maths-6~.In such a case, if the number of terms are not given, then we can use a different formula, derivation for which is given in this video to find the sum of a Geomteric Progression

Length:
05:20