# Solution - Sum of First n Terms of an AP

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ConceptSum of First n Terms of an AP

#### Question

If  the sum of first 7 terms of an A.P. is 49 and that of its first 17 terms is 289, find the sum of first n terms of the A.P.

#### Solution

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#### Reference Material

Solution for concept: Sum of First n Terms of an AP. For the course 8th-10th CBSE
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