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1. Complete:
The dot product of two vector is______.
Vector
Scaler
May or may not vector
Generally, how many types of vector multiplication?
2
3
4
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 reverses.
It remains the same.
It becomes zero.
What is the result of multiplying a vector by a scalar?
Another scalar
A matrix
A vector
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⟩
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
It is done.