How many terms of the A. P : 9,17,25, .......must be taken to give a sum 636?
Answer
This question is exactly same as Ex 5.3, 4 of Chapter 5 Class 10 in the NCERT Book.
Please check the answer and video here
https:// www.teachoao.com/1617/514/Ex-5.3- -4---How-many-terms-of-AP-9--17--25---must-be/category/Ex-5.3/