Question

If S_(1) S_(2) and S_(4) are the sum of n 2n and 4n terms respectively of an AP and d is the common difference then value of S_(4)-(2S_(1)+S_(2)) is 0.n^(2)d-nd 0.5n^(2)d 4n^(2)d 6nd-2n^(2)d​

Answer 1

Answer:

c

option is correct

4n2d