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Q2. If the sum of the first n terms of an AP is 1/2(3n²+7n) then find its nth term. Hence find its 20th term.


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Sum of First n Terms of an AP (Part 1) | Arithmetic Progressions| CBSE | Class 10 | Math show

Summary: This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||