Math, asked by prometheusp750, 5 hours ago

3 The sum of first 7 terms of an arithmetic sequence is 105 and the sum of first 15 terms is 465. a) What is its 4th term? b) What is its 8 term? c) What is its common difference? d) What is its algebraic form?

Answers

Answered by stutigarg903

4

Answer:

d= 45

a= 195

a4 = 330

a8 = 510

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