Answer:
5
Step-by-step explanation:
The nth term of the geometric sequence is
In general the nth term of a geometric sequence is
By comparism;
is the common ratio of the sequence.
Or
Common ratio is
What is 999 - 1 -1 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 +1 + 11 -1 = ???
2 answers:
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.
Normalize this vector by dividing it by its norm:
To get another vector orthogonal to the first two, you can just change the sign and use
