If the 1st term of a series is 7 and 13th term is 35. Find the sum of ...
If the 1st term of a series is 7 and 13th term is 35. Find the sum of 13 terms of the sequence. asked Apr 22 in Arithmetic Progression by stiven (15 points) class-10; 0 votes. 1 answer. If 9 times the 9th term of an AP is equal to 13 times the 13th term, show that its 22nd term is 0.