Answer:
Step-by-step explanation:
The given vector is represented by (2,-1).
This can be represented in general form as (x,y) where x=2 and y=-1.
Magnitude of the vector represented as (x,y) is given by
Evaluating for the given values of x and y,
Length of the vector is
Answer:
Step-by-step explanation:
Have in mind the definition of the term , and now work on what the term
is based on the previous definition:
In the next step do NOT combine the numerical values, but try to identify the term (
) in the expression (notice the use of square brackets to group the relevant terms):
So now we have the term "" defined in a recursive manner based on the previous term "
"