In vectors, scalar products are also known as dot products. Let vector a = {a1, a2, a3} and vector b = {b1, b2, b3}. The scalar product of a dot b is given by?
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Step-by-step explanation:
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Step-by-step explanation:
Given: Let vector a = {a1, a2, a3} and vector b = {b1, b2, b3}.
Then we define the dot product by:
a · b = a1b1 + a2b2 + a3b3
The dot product gives a number (scalar).
Manipulation facts
(works like regular multiplication):
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