An arithmetic progression has a first term of 32, a 5th term of 22 and a last term of −28. find the sum of all the terms in the progression.
Answers
Answered by
1
Sn=n/2(a+an)
Sn= 11(32-28)
Sn= 11×4
Sn = 44
If ans. Is correct plzz mark me as brainlist
Sn= 11(32-28)
Sn= 11×4
Sn = 44
If ans. Is correct plzz mark me as brainlist
Megh55555:
I think ans. Is wrong because the n is 4 may be
Similar questions