in an A.P ;2,4,6___ find the sun of 10th term
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Sn= a+(n-1)d=2+(10-1)(2)=2+18=20
priyanka336:
actually the question is Sum...and it means the formula is sn=n/2(2a+n-1×d)
no we have to find 10th term of an A.P
r u 10th standard
yes
u have told in the question that to find the sum of 10th term..means we have to find s10
Answered by
1
the answer is s10=110...
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