which of following is not an AP?
a)2,2,2,2
b)10,7,4
c)23,21, 18 ,14
d)2,7,12
Answers
Answered by
1
Answer:
sorry I didn't language
Answered by
1
Answer:
d
Step-by-step explanation:
in a) d=0
b) d=-3
d) d= 5
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