-2 ,4 ,-8 , 16 are in ap
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These numbers are not in AP
x,y,z are in AP when y-x=z-y
Here, 4-(-2) = 6 but this is not equal to -8-4 which is 12
So since the common difference is fluctuating , these numbers are not in AP
Actually these numbers are in GP.
The property of GP is that when x,y,z are in GP, y/x = z/y
Here such ratio is same which is -2
However these numbers are not in AP is the answer
x,y,z are in AP when y-x=z-y
Here, 4-(-2) = 6 but this is not equal to -8-4 which is 12
So since the common difference is fluctuating , these numbers are not in AP
Actually these numbers are in GP.
The property of GP is that when x,y,z are in GP, y/x = z/y
Here such ratio is same which is -2
However these numbers are not in AP is the answer
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