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find the sum of series r/(r+1)(r+2)(r+3)from 1 upto infinty ..

find the sum of series
r/(r+1)(r+2)(r+3)from 1 upto infinty ..

Grade:12

2 Answers

Akash Kumar Dutta
98 Points
8 years ago

Dear Prakhar,

its a long process.i am just saying the concept...
apply the concept of partial fraction and add the corresponding terms.
the terms will get cut automatically leaving the first and last term.
and hence the ans.

Regards.

shiddhant bhattacharya
25 Points
8 years ago

the ans is -21/4. we use partial fractions.

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