20.which of the following is not an A.P. *
= 6,4,2,0.......
= 2,2,2,2.....
= x, 2x ,3x, 4x,......
none of these
Answers
Answered by
2
Answer:
none of these
Step-by-step explanation:
in first d = -2
in second d=0
in third d = 2x-x
= x
so,conclusion is that all given terms are AP
Answered by
0
Answer:
none of these
Step-by-step explanation:
as all are in AP
1)common difference= -2
2) common difference=0
3) common difference=x
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