cosider the arthemathic sequence 5, 8, 11, what is its algebraic formula
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Answer:
The nth term of the sequence is 3n + 2
Explanation:
The given arithmetic sequence is 5, 8, 11,.....
Here a = 5
d = 8-5 = 11-8.. = 3
We know that nth term of an AP is given by
an = a + (n-1)d
= 5 + (n-1)3
= 5 + 3n - 3
= 3n + 2
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