Find out the sum of the sequence of 1/(5×6)+1/(6×7)+1/(7×8)................up to 16th terms ?

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Find out the sum of the sequence of 1/(5×6)+1/(6×7)+1/(7×8)................up to 16th terms ?
(A) 16/105
(B) 20/21
(C) 4/5
(D) 21/22
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Kan 1/20 mane mane bahar bahar kale seita kahu jadi 16th term nathae 63th term thanta.... tahele

kunubaby
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Sir apana nku bateiba katha j 1/20-1/21 kipari hela
Thik achi jadi 16 th term diaheichi apana easily karidele jadi exam re term badhei daba tebe kana karibu pura batantu
Nahele ama pain alpa bidya bhayankari heijiba ame ethi pain apananku follow karuchu so pls reply

padminisingh
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