NCERT Class 11 Mathematics Solutions: Chapter 9 – Sequences and Series Miscellaneous Exercise 9 Part 14 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Sum of Special Series

1. Show that

Answer:

term of the numerator

term of the denominator

… eq (1)

Here,

… eq (2)

Also,

… eq (3)

From eq (1) , (2) , and (3) , we obtain

So, the given result is proved.