answer plzz...,.....
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Answered by
6
Answer:
option c) 23, 21, 18, 14 is not an AP
Step-by-step explanation:
because the common difference should be present in an AP
Answered by
2
Answer:
23,21,18,14 is not an A.P.
IF a series is an A.P. then the difference between two number in all the series are equal
like 2,2,2,2,
2-2, 2-2=0, 0
10,7,4=10-7, 7-4
=3, 3
23,21,18,14=23-21, 21-18, 18-14
=2, 3,4
2,7,12=2-7, 7-12
=-5, -5
Hopefully you understand
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