the first term of ap is -7 common difference =5 find the 18th term of ap
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Given:- First term, a = -7, Common
Difference, d = 5
18th term, a18 = a + (n - 1)d
=> -7 + (18 - 1) 5
=> -7 + 17(5)
=> -7 + 85
=> 78
Hence, 18th term of A. P. is 78.
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Answer:92
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