Math, asked by VyshnavSudesh, 1 month ago

the 8th term of an arithmetic sequence is 12 and its 12th term is 8 what is the algebraic expression for the sequence and find its common difference and d​

Answers

Answered by riteshmahant20
2

Answer:

8th term = 12 = a + (8-1)d = a + 7d. This is equation 1. 12th term = 8 = a + (12-1)d = a + 11d. ... Therefore, algebraic expression for this sequence is nth term = 19 - (n-1) = 19 - n + 1 =20- n.

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