Let \ov m be the unit vector orthogonal to the vector \ov i -\ov j+\ov k and coplanar with the vectors 2\ov i +\ov j and \ov j -\ov k . If\ov a=\ov i-\ov k , then the length of thel perpendicular from theorigin to thel plane \ov r.\ov m=\ov a.\ov m is

AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Mathematics

Question : 31 of 160

Marks: +1, -0

Let m be the unit vector orthogonal to the vector i−j+k and coplanar with the vectors 2i+j and j−k . Ifa=i−k , then the length of thel perpendicular from theorigin to thel plane r.m=a.m is

1
√26
1
√5
5
√26
1

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