Diagram shows 4 points on a Cartesian plane.*Calculate the distance between points C and D.
1 answer:
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Answer:
Step-by-step explanation:
The generating function a(x) produces a power series ...
where the coefficients are the elements of the given sequence.
We observe that the given sequence has the recurrence relation ...
This can be rearranged to ...
We can formulate this in terms of a(x) as follows, then solve for a(x).
The generating function is ...
a(x) = 1/(1+2x)
The answer is going to be 1 and -4 as the 2s cross divide out
