Question

In an arithmetic progression, thrice the second term is equivalent to eighth term and the sum
Of 4th term and this 7th term is 9 greater than the ninth term find the AP

Answer 1

In an arithmetic progression, thrice the second term is equivalent to eighth term and the sum

Of 4th term and this 7th term is 9 greater than the ninth term find the AP

Answer 2

Answer:

8 terms of an AP must be taken for their sum to be equal to 120. Since number of terms should be a whole number .