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In a AP of 50 terms the sum of first 10 ...

In a AP of 50 terms the sum of first 10 terms is 210 and the sum of last 15 terms is 2565. Then find the AP

Text Solution

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The correct Answer is:
`S_10`=210
`S_50-S_35`=2565
d=4, a=3 , A.P. 3,7,11,…
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