If the sum of first 11 terms of an A.P., . is , then the sum of the A.P., is , where is equal to...

(c) : Given, enumerate be the common difference of given A.P.\\,\\; given\\...

If the sum of first 11 terms of an A.P., a_{1},a_{2},a_{3},.. is 0( a_{1} eq 0 ), then the sum of the A.P., a_{1},a_{3},a_{5},,a_{23} is ka_{1}, where k is equal to: Sequence & Series (Mathematics)

If the sum of first 11 terms of an A.P.,\n

a_{1},a_{2},a_{3},\ldots.

. is

0\left( a_{1} \neq 0 \right)

,\n then the sum of the A.P.,

a_{1},a_{3},a_{5},\ldots,a_{23}

is\n

ka_{1}

, where

k

is equal to