Can someone help me with exercise 121?
1 answer:
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<u>c) 3, 6, 9 12</u> is NOT a geometric progression
<h3>Further explanation </h3>Geometry sequences are series of numbers that have a constant ratio
or can be interpreted:
Each number is obtained by multiplying the previous number by a constant
The sequence can be:
a, ar, ar², ar³, ... etc.
Can be formulated
where:
a is the first term, and
r is the common ratio
So we have to see the series has the same ratio or not
a.
b.
c.
d.
a geometric sequence
Determine whether the sequence below is a geometric
the formula for a finite geometric series
Keywords : a geometric sequence, the first term, the common ratio