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Let A(1, 2, -3) and B(-1, -2, 1) are two...

Let A(1, 2, -3) and B(-1, -2, 1) are two vectors. Direction cosines of the vector joining the vector in the direction A to is ……………….

A

`(-(1)/(3),-(2)/(3),(2)/(3))`

B

`((1)/(3),-(2)/(3),-(2)/(3))`

C

`(-(1)/(3),-(2)/(3),-(2)/(3))`

D

`((1)/(3),(2)/(3),(2)/(3))`

Text Solution

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The correct Answer is:
A
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