Question
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 .
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Text solutionVerified
Here for all, and respectively for the n A.P.'s
We have to find sum of their nth terms.
.
We have to find sum of their nth terms.
.
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Question Text | 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 . |
Answer Type | Text solution:1 |
Upvotes | 150 |