danielahumajova6
26.07.2019 •
Mathematics
Arecursive rule for a geometric sequence is a1=8; an=3/4an−1 . what is the explicit rule for this sequence?
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Ответ:
Ответ:
The explicit rule for this sequence is;
Step-by-step explanation:
Given the statement: A recursive rule for a geometric sequence is
and
for n= 2;
Similarly for n = 3;
Therefore, we get a geometric sequence i.e,
Now, to find the explicit rule for this geometric sequence:
A geometric sequence states that a sequence of numbers that follows a pattern were the next term is found by multiplying by a constant called the common ratio(r).
It is given by: where is the first term, r s the common ratio and n is the number of terms;
In the given sequence: ,
then, the explicit rule for this sequence is;
Ответ:
A≈314.16cm²
Step-by-step explanation: