the difference of fare for each kilometer is salle 1.c,
of the air remaining
The amount of air present in a cylinder when a vacuum pump removes
in the cylinder at a time.
linder is x.
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0
Answer:
No
It is not an arithmetic progression
Step-by-step explanation:
Let a be the amount of air initially Amount of air remaining after 1st pump =a –(a/4)=3a/4
Amount of air remaining after 2nd pump= (3a/4) – (1/4)(3a/4)=9a/16
Amount of air remaining after 3rd pump= (9a/16) – (1/4)(9a/16)=27a/64
So the series is like
a,3a/4,9a/4,27a/64……..
Difference Ist and second term=-a/4
Difference between Second and Third term= -3a/16
So difference is not constant
So it is not Arithmetic Progression
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