Math, asked by aju66, 6 months ago

the sum of first 15 terms of arithemetic sequence is 495and the sum of first 25 term is 1325 a) what is the common difference. b)find the first term c)find the sum of n term of sequence​

Answers

Answered by dorpongohain
0

Answer:

This is ur answer

a) 4

b) 5

c) 2n^2+3n

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