Consider the points below. Р(3, -2, 5), Q(-1, -2, 1), R(2, 1, -3) (a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R. 6i + 2j – 2k (b) Find the area of the triangle PQR.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter1: Vectors
Section1.3: Lines And Planes
Problem 13EQ: In Exercises 13 and 14, give the vector equation of the plane passing through , and . 13.
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Consider the points below.
Р(3, -2, 5),
Q(-1, -2, 1),
R(2, 1, –3)
(a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R.
6і + 2j — 2k
(b) Find the area of the triangle PQR.
Transcribed Image Text:Consider the points below. Р(3, -2, 5), Q(-1, -2, 1), R(2, 1, –3) (a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R. 6і + 2j — 2k (b) Find the area of the triangle PQR.
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