Q. 24.3( 3 Votes )

Write the projection of the vector on the vector [CBSE 2011]

Answer :

Let, and


Projection of any vector over another vector is given by the dot product of vector whose projection is asked with the unit vector of the vector on which projection is asked


Projection of =


As



Note: As we know that the dot product of a unit vector with itself is 1 and



Thus,


Projection of on is 0

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