The first term of an A.P. is a and its common difference is d. Then, the 18th term of the A.P. is...............
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Answered by
7
Answer:
a + 17d
Step-by-step explanation:
an = a + ( n - 1 ) d
a18 = a + 17d
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Answered by
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t¹⁸ = a + (n - 1 ) d
t ¹⁸ = a + (18-1) d
t¹⁸ = a+ 17d
therefore your 18 th term is a+ 17 d
this is the answer according to your question
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