Asked by Ibrahim Badamasi

1/1.3 1/3.5 1/5.7 ... 1/(2n-1)(2n 1) = n/2n 1?
Answered by Reiny
let me fix it for you
should say:
1/(1*3) + 1/(3*5) + 1/(5*7) + ... + 1/(2n-1)(2n + 1) = n/(2n + 1)

Now what about it ???
Are you trying to prove it is true?
Try Induction.
Answered by pranav
1/(1*3) + 1/(3*5) + 1/(5*7) + ... + 1/(2n-1)(2n + 1) = n/(2n + 1)

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