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if vector A=⟨2,3⟩ is multiplied by the scalar k=3, what is the result?
⟨6,9⟩⟨6,9⟩⟨6,9⟩
⟨9,6⟩⟨9,6⟩⟨9,6⟩
⟨−9,6⟩⟨-9,6⟩⟨−9,6⟩
Generally, how many types of vector multiplication?
2
3
4
1. Complete:
The dot product of two vector is______.
Vector
Scaler
May or may not vector
What is the result of multiplying a vector by a scalar?
Another scalar
A matrix
A vector
It reverses.
It remains the same.
It becomes zero.
In scalar multiplication, what happens to the direction of the vector when the scalar is negative?
Complete:
The cross product of two vector is______.
Scalar
Find the cross product of two vector A and B.
A.B=ABcos(θ)A.B=AB\cos(θ)A.B=ABcos(θ)
A.B=ABsin(θ)A.B=AB\sin(θ)A.B=ABsin(θ)
None of these
Which of the following is commutative is vector multiplication?
Dot product
Cross product
Both
Find the dot product of two vector Aand B.
It is done.