Sequence and Series

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Question : 27 of 86

Marks: +1, -0

If the sum of first

{n}

terms of an A.P.'s Zero, then the sum of next

{m}

terms, where

{a}

is the first term of the A.P. is

$\;{-a m}/{(m+n)(n-1)}$
$\;{-a m(m+n)}/{n-1}$
$\;{a m(m+n)}/{n-1}$
None

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