Question

Ā and B vector are parallel to each other. which of the following conditions is true? 1)Ā.B=0 (2)Ā.B=1. (3)Ā×B=0 (4)Å×B=1​

Answer 1

Answer:

2)A.B=1 and 3) A×B=0

Explanation:

when two vectors are parallel. angle between two vectors is 0

Answer 2

Answer:

2)Ā.B=1

3)Ā×B=0

Explanation:

When two vectors are parallel to each other the the angle between these vectors are 0° .

So, the dot product of the two parallel unit vector is 1. And the cross product of two parallel vector is 0.

Hence the correct option is Ā.B=1 and Ā×B=0.

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