Concept explainers
To find vector sum of (2,6) and 3(1,-2)
Answer to Problem 14CR
(5,0)
Explanation of Solution
Given points
Let,
i.e
Let
If
Then the vector sum of
Here,
Vector sum of
i.e.
In the figure .
In the figure .
In the figure .
By parallelogram law of vector addition,
Diagonal of parallelogram
i.e., vector sum of
From figure,
So,
Vector sum of P and Q is
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