(a)
The geometric descriptions of a
(a)
Answer to Problem 117E
let
and
be vectors. Then the sum of u and v is the vector
Explanation of Solution
Concept used: let
and
be vectors. Then the sum of u and v is the vector
Calculation:
To add two vectors geometrically position them so that the initial point of one coincides with the terminal points of the other
The sum
This technique is called the parallelogram law for vector addition because the vector
(b)
The geometric descriptions of a vector scalar multipication
(b)
Answer to Problem 117E
Explanation of Solution
Concept used: let
and let
Calculation:
The product of a vector v and a scalar
As shown in the figure
Chapter 6 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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