The common difference of constant A.P. is ----- ? This is complete question. Share with your friends Share 1 Ranbir Singh answered this D is common difference of an ap -1 View Full Answer Arya Mohan answered this d is the common difference of an A.P 0 Shanaya Sharma answered this D is the common difference of an A.P 0 Angel Angelina answered this the common difference of constant AP is zero. 1 Hey Its Ur Gurl _subhi answered this Ans: positive or negative or zero 0 Shivang Dubey answered this D is The Common Difference Of Ap 1