AP and TS EAMCET Engineering Model Paper 16

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Question : 43 of 160

Marks: +1, -0

If direction cosines of a vector of magnitude 3 are

2

3

,−

a

3

,

2

3

and a>0 then that vector is

2i−j+2k
i+2j+2k
2i+j+2k
i−2j+2k

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