and the common
The first torm
of an
an AP is
is 6 and
difference
3 Find
S27
Answers
Answered by
2
Step-by-step explanation:
a=6. d=3
S27 =1539
Please mark me brainliest
You van put n=27
In this formula
S27=n/2(2a+(n-1)d)
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