Math, asked by pavan4793, 1 year ago

the ap has 37 terms the sum of the middle term and two terms adjecent one on either side to it is 225.If the sum of the last three terms is 429 .Find the first 3 terms of the ap

Answers

Answered by siddharth19402

2

a+17d+a+18d+a+19d=225

3a+54d=225

a+18d=75

3a+165d=429

a+35d=143

17d=68

d=68/17

ishithagowda: tq Siddharth

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