[" Q."9" : Determine a unit vector which is perpendicular to both "],[A=2i+j+k&B=i-j+2k]

A unit vector perpendicular to both i+j and j+k is

Determine a unit vector whoch is perpendicular to both vec A =2 hat I + hat j + hat k and vec B = hat I - hat j +2 hat k .

A unit vector perpendicular to 3i+4j" and "i-j+k is

A unit vector perpendicular to the plane of a = 2i - 6j -3k, b = 4i + 3j - k is

A unit vector perpendicular to 2i + 3j + 4k and 4i - 3j + 2k is

A unit vector perpendicular to 3i + j +2 k and 2i-j + k is

The unit vector perpendicular to each of the vectors 2i - j + k and 3i + 4j - k is

A unit vector c perpendicular to a=i-j and coplanar with a and b=i+k is