Find the sum of first 20 terms of an A.P. whose nth term is given as an = 5 – 2n.

Class 10th Maths Term 2, Question - Find the sum of first 20 terms of an A.P. whose nth term is given as an = 5 - 2n.

Guide to Master The Republic Day Speech for School Teachers and Students

Maths Class 10 Term 2, Answer to the Question : Find the sum of first 20 terms of an A.P. whose nth term is given as an = 5 – 2n.

The answer to the question :