Math, asked by sailedramesh007, 7 months ago

The third term of an A.P is 7 and thes eventh term

exceeds three times the third term by 2.Find the first term,

the common difference and the sum of first 20 terms.

Answers

Answered by VPER5549

1

Answer:

d=4

a=-1

sum of 20 terms =740

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