Q37 / 90 · JEE Main 2023 (13 Apr Shift 1) · Mathematics
Let respectively be the sum of terms of whose first terms are and the common differences are respectively. Then is equal to
Let respectively be the sum of terms of whose first terms are and the common differences are respectively. Then is equal to
- A
- B
- Correct answerC
- D
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.
Hence, the correct answer is option: 'C'.