Let respectively be the sum of terms of whose first terms are and the common differences are respectively. Then is equal to
Let s 1 , s 2 , s 3 . . . . , s 10 respectively be the sum of 12 terms of 10   A . Ps whose first terms…
Solution
Given,
First term of A.P are , so general term of the first term will be
And common difference are , so general term of common difference is given by
Now sum of the A.P is given by,
So,
Hence this is the correct option.
Asked in: JEE Main 2023 (13 Apr Shift 1)