VectorHard
Question
If the position vectors of three points A, B, C are respectively î + ĵ + 
, 2î + 3ĵ − 4
and 7î + 4ĵ + 9
, then the unit vector perpendicular to the plane of triangle ABC is-
, 2î + 3ĵ − 4 and 7î + 4ĵ + 9, then the unit vector perpendicular to the plane of triangle ABC is-Options
A.31î − 18ĵ − 9
B.
C.
D.-None of these
More Vector Questions
Let and be non-zero vectors such that and are non-collinear & satisfies = . If θ is the angle between the vectors a...The projection of vector î + 2ĵ + 2 on x- axis is -...If the position vector of points A and B with respect to point P are respectively and then the position vector of middle...If the vectors 3î − 2ĵ + 5 and −2î + pĵ − q are collinear, then (p,q) is-...and are vectors of equal magnitude and angle between them is 120o. If . = − 8, then || equals-...