Sagot :
This is example only
Sum of first n terms in an arithmetic progression :
Sn=n/2[2a+(n−1)d]
=n/2(a+l)
where a = the first term,
l = Last Term, and
d = common difference.
#AnswerForTrees
#Carry On Learning


This is example only
Sum of first n terms in an arithmetic progression :
Sn=n/2[2a+(n−1)d]
=n/2(a+l)
where a = the first term,
l = Last Term, and
d = common difference.
#AnswerForTrees
#Carry On Learnin