What is the dot product of # (2i -3j + 4k)# and #(i + j -7k)#?
2 Answers
Mar 5, 2018
Explanation:
I'm going to name these two vectors as
The dot product of two vectors is defined as
We don't have an angle to use, so we'll calculate the dot product using by adding the products of the components.
Therefore,
Mar 5, 2018
The dot product is
Explanation:
The dot product of
and
is
Here, we have