The n th term of an a.p is 3n find the 10th term
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nth term = 3n
1st term = 3(1) = 3
2nd term = 3(2) = 6
3rd term = 3(3) = 9
first term = 3
common difference = 6 - 3 = 3
10th term = a + 9d
3 + 9(3)
3 + 27
30
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