Q26 of 177 Page 24

If fine the unit vector in the direction of

Given that , we get


The unit vector of any vector can be written as


Let


Then,


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If write a unit vector along the vector

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Write the position vector of a point dividing the line segment joining points having position vectors externally in the ratio 2 : 3.

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If and find

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A unit vector makes angles respectively and a acute angle θ with Find θ.