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Mathematics
Mathematics
Problem
The sequence
7
,
3
,
−
1
,
−
5
,
…
7,\;3,\;-1,\;-5,\dots
7
,
3
,
−
1
,
−
5
,
…
is best described as a) a GP with common ratio
3
7
\dfrac{3}{7}
7
3
b) an AP with common difference
−
4
-4
−
4
c) an AP with common difference
4
4
4
d) a GP with common ratio
−
4
-4
−
4
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