The sum of the first 20 terms of the series 1/(4 X 5) + 1/(5 X 6) + … is:

Options
- 0.209
- 2.09
- 20.9
- None of these

CORRECT ANSWER : 0.209

Discussion Board
hint

1/[a*(a+1)]=1/a - 1/(a+1)

sai 04-24-2024 12:35 PM

Answer for this problem

Answer for this problem

Kusuma Vemuri 08-8-2022 10:13 PM

solution

can u provide the answer of this.

TARUN PAL 09-13-2020 06:06 AM

Solution

can you give the solution for this problem

Ragini 11-29-2019 09:24 AM

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