6] The common difference of
arithmetic progression 6, 9, 12, 15 ....
is
9
O
-3
6
O
3
Answers
Answered by
1
Answer:
I can help you
Step-by-step explanation:
The common difference of this a.p is 3.
There are few equations which may help you to study arithmetic progression...
nth term of n ap: an=a+(n-1)d
sum of the a.p. :sn=n/2(a+l)
OR
sn=n/2{2a+(n-1)d}
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