two vectors A = i^ + 2j^ + 3k^ and B = -i^ + j^ -k^ are in the same plane what is the angle made by A X B with the plane containing the vectors A and B.

Asked by Bholanath Beura | 9th Sep, 2013, 09:44: AM

Expert Answer:

The cross product of two vectors is perpendicular to both the vectors.
Thus, if A and B are in the same plane, then the cross product is perpendicular to the plane containing the two vectors.
Thus the angle is 90°.

Answered by Romal Bhansali | 9th Sep, 2013, 10:44: AM

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