There are n A.P.'s whose common differences are 1, 2, 3,_________n | Filo
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Class 11

Math

Algebra

Sequences and Series

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There are n A.P.'s whose common differences are _________n respectively, the first term of each being unity. Prove that sum of their nth terms is .

Solution: Here for all, and respectively for the n A.P.'s
We have to find sum of their nth terms.



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