Which of the following are APs
a, a^2,a^3,a^4
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AP or arithmetic progression is a sequence where difference between consecutive terms is constant.
Given sequence is a, a^2, a^3, a^4
difference between a^2 and a is (a^2-a)
difference between a^3 and a^2 is (a^3-a^2)
We see that both difference values are not equal.
Hence given sequence is not an AP.
sandyrpgmcpcntdt:
Explain in detail
What is the difference between them
since value of a is not given so we can't evaluate that further but we can clearly see that (a^2-a) and (a^3-a^2) are not equal. that's why they are different.
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