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Solution for Find the Sum to N Terms of the Series 1 × 2 + 2 × 3 + 3 × 4 + 4 × 5 + … - CBSE (Arts) Class 11 - Mathematics

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Question

Find the sum to n terms of the series 1 × 2 + 2 × 3 + 3 × 4 + 4 × 5 + …

Solution

The given series is 1 × 2 + 2 × 3 + 3 × 4 + 4 × 5 + …

nth term, an = n ( n + 1)

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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 11 (2013 to Current)
Chapter 9: Sequences and Series
Q: 1 | Page no. 196
Solution Find the Sum to N Terms of the Series 1 × 2 + 2 × 3 + 3 × 4 + 4 × 5 + … Concept: Sum to N Terms of Special Series.
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