find the 8th term andnthe 9th term of the AP 9, 15, 21....
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Step-by-step explanation:
The middle term of an A.P are 93 or 99.
Step-by-step explanation:
Given : An A.P. 9,15,21,27,183.
To find : The middle term of an A.P ?
Solution :
Using the last term formula,
Where, a=9 is the first term
d=6 is the common difference
l=183 is the last term
Substitute the value,
The number of terms is 30 (even).
The middle terms are (n/2)th term and [(n/2) + 1]th term
i.e. 15th term and 16th term
15th term is
16th term is
The middle term of an A.P are 93 or 99.
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