If the nth term of an Ap is (4n+1),find the sum of the first 15 term of this Ap.Also find the sum of its nth term
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hey man this is the solution
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Sum of first 15 term of AP is
The sum of its nth term is
Explanation:
Given that,
The nth term of the AP is (4n+1).
First term of AP, n = 1 is 5
Second term of AP, n = 2 is 9
Common difference, d = 4
The sum of nth term of an ap is given by :
The sum of the first 15 term of the AP is 495.
The sum of its nth term of AP is given by :
Hence, this is the required solution.
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Arithmetic Progression
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