Math, asked by 9168387336728, 1 month ago

arithmetic sequence the 15th term is 25 and the term is 15. what is the common different. write the sequence. find the 40th​

Answers

Answered by SuryaDevil1290
0

Answer:

Its given that first term is 20,i.e.,a = 20 and that 8th term,i.e.,a + 7d = 0.

Putting the value of a as 20, we get 7d = -20.

Now we have to find 15th term,i.e., a + 14d = 20 + 2.7d = 20 - 2.20 = 20 - 40 = -20.

Thus, the 15th term is -20.

213 views

Add a comment...

Hinas ColdOne

, knows Turkish

Answered August 5, 2018

Similar questions