Q4) 1- Find the area of the triangle determined by the point P(1, -1, 2), Q(2, 0, -1), and R(0, 2, 1). 2- Find a unit vector perpendicular to the plane PQR.
Q4) 1- Find the area of the triangle determined by the point P(1, -1, 2), Q(2, 0, -1), and R(0, 2, 1). 2- Find a unit vector perpendicular to the plane PQR.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.6: The Three-dimensional Coordinate System
Problem 7E
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