find the 13th term of AP 9,12,25,18
Answers
Answered by
1
this is a not an A.P
Step-by-step explanation:
because the common difference is not a constant
the rule to form A.P is
in an A.P common difference is constant so it is an A.P
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Answered by
1
Answer:
45.
Step-by-step explanation:
a=9
a2=12
d=a2 - a
=12 - 9
=3
a13=a + 12d
=9 + 12(3)
=9 + 36
=45 Ans.
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