if the first term of an AP is 3 and the last term is 48 find the number of terms in the AP if the sum of its term is 34?
2 answers
sum of terms less than last term? Interesting.
simple. There are only 4/3 terms
n/2 (3+48) = 34
The sum of 2 terms is 51, so you clearly have fewer than 2 terms.
n/2 (3+48) = 34
The sum of 2 terms is 51, so you clearly have fewer than 2 terms.
2 answers