Find the next term in the following sequence: a-2d, a-d, a, a+d,...
a + 2d
a - 2d
4a + 2d
2a + 2d
Which of the following series forms an AP?
(i)a–2d,a–d,a,a+d,a+2d
(ii)a,a+d,a+2d,a+3d,a+4d
(iii)a–3d,a–d,a+d,a+3d