Math, asked by bijithavinod9633, 2 days ago

The sum of the first and 15 terms of an arithmetic sequence is 60 (a) What is the sum of 7th and goh terms, (b) What is its 814 term. (c) Find the sum of first 15 terms.

Answers

Answered by pandilwaranagh28

1

Step-by-step explanation:

first find (A) than find common difference (D) by the formula.. Than find the sum of first 15 term by the formula n/2 (2a+(n-1)d).

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