Find the unit vector orthogonal to the plane through the points P ( 12, 3, -4 ), Q (-1, -2, 2), and R (3,1, -3). Also find the area of triangle PQR. 3.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
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Chapter6: Vector Spaces
Section6.6: The Matrix Of A Linear Transformation
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3.
Find the unit vector orthogonal to the plane through the points P ( 12, 3, -4 ), Q (-1, -2, 2),
and R (3,1, -3). Also find the area of triangle PQR.
4.
Given that: A = Axâx + Ayay+ Azaz , B= Bxax + Byay+Bzaz prove that A×B is orthogonal to
Transcribed Image Text:3. Find the unit vector orthogonal to the plane through the points P ( 12, 3, -4 ), Q (-1, -2, 2), and R (3,1, -3). Also find the area of triangle PQR. 4. Given that: A = Axâx + Ayay+ Azaz , B= Bxax + Byay+Bzaz prove that A×B is orthogonal to
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