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Find sum of 100 term of series as soon as possible thanks

Find sum of 100 term of series as soon as possible thanks

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Grade:11

1 Answers

Arun
25757 Points
5 years ago
Dear Chandan
 
You can write it as
Tan^-1 [((x+ 100) - x )/ (1 + x (100+x))]
= Tan ^-1 (x +100) - tan^-1 (x)
Now you can simply do it 

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