The common difference of the AP `1/p,(1-p)/p,(1-2p)/p..........`is

Find the common difference of the A.P. : 3, 1, -1, -3, .......

The common difference of a constant A.P. is ……

Find the common difference of the A.P - 8 , -5, - 2, 1…………. .

Find the common difference of A.P. 3, 1, - 1,- 3,…….

Find the common difference of the A.P. -5, -1, 3, 7 ……… .

Common difference of the A.P. -5, -1, 3, 7, …… is :

Find the common difference of the A.P . — 5, — 3, — 1, 1, 3,………….

Write the common difference of A.P. -5,-1, 3, 7,………….

l, m, n are three numbers in G.P., a is the first term of an A.P., whose l th, mth and nth terms are in H.P. If d is the common difference of the A.P.. prove that a = (m + 1)d.