Q2 of 181 Page 1080

Mark (√) against the correct answer in each of the following:

The direction cosines of the vector are


Formula to be used – The direction cosines of a vector is given by .


Hence, the direction cosines of the vector is given by



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1

Mark (√) against the correct answer in each of the following:

A unit vector in the direction of the vector is


 1

Mark (√) against the correct answer in each of the following:

A unit vector in the direction of the vector is


 2

Mark (√) against the correct answer in each of the following:

The direction cosines of the vector are


 3

Mark (√) against the correct answer in each of the following:

If A(1, 2, -3) and B(-1, -2, 1) are the end points of a vector then the direction cosines of are