choose the correct option
which term of an A p 3,6,9 .........is 27
a. fifth
b. eighth
c. ninth
d. sixth
Answers
Answered by
2
Answer:
a.................. fifth.......................
Step-by-step explanation:
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Answered by
1
a=3
An=27
d=3
An=a+(n-1)d
27=3+(n-1) 3
27-3= 3n-3
24=3n-3
24+3= 3n
27=3n
9=n
therefore option (c) is correct
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