Let respectively be the sum to 12 terms of 10 A.P. whose first terms are . 10 and the common difference are respectively. Then is equal to...

(c) : upto 12 terms upto 12 terms upto 12 terms From (i), From (ii), From (iii), From (iv), Thus, ...

Let s_{1},s_{2},s_{3},..s_{10} respectively be the sum to 12 terms of 10 A.P. whose first terms are 1,2,3,. 10 and the common difference are 1,3,5,..,19 respectively. Then \sum_{i = 1}^{10}\mspace{2mu} s_{i} is equal to: Sequence & Series (Mathematics)

Let

s_{1},s_{2},s_{3},\ldots\ldots..s_{10}

respectively be the sum to 12 terms of 10 A.P. whose first terms are

1,2,3,\ldots\ldots

. 10 and the common difference are

1,3,5,\ldots\ldots..,19

respectively. Then

\sum_{i=1}^{10} s_i

is equal to