JEE Main 2020 Mathematics question
If the sum of first 11 terms of an A.P., , , , ........ is 0 (), then the sum of the A.P., , , , ..., is , where k is equal to :
Answer: (B)
If the sum of first 11 terms of an A.P., , , , ........ is 0 (), then the sum of the A.P., , , , ..., is , where k is equal to :