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Please solve q.24 and q.25.

Please solve q.24 and q.25.

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Grade:11

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
8 years ago
24 b)

Its nothing but summation of 1.
then it summation of first i natural numbers
Then you have to apply summation to the general term of the expansion

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