First term is 1 and last term is 11 .. and sumof the ap is 36 find no. Of terms of ap
Answers
Answered by
2
6
Step-by-step explanation:
a=1
Anth term i=11
Sum=36
Sn=n/2(a+l)
36=n/2(1+11)
36=n/2*12
36=n*6
n=36/6
n=6
Answered by
2
a=1
l=11
S=n/2(a+l)
36=n/2(1+11)
36/12=n/2
3*2=n
6=n
So no. Of terms in AP is 6
l=11
S=n/2(a+l)
36=n/2(1+11)
36/12=n/2
3*2=n
6=n
So no. Of terms in AP is 6
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