Find the 20th term from the last term of the ap 2,7,12....212
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Step-by-step explanation:
the ap is 2,7,12....212
common difference = d = 7-2 = 5
1st term = a = 2
nth term = a + (n-1)×d
20th term = 2 + (20-1)×5 = 2 + 19×5 = 97
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