■ Show that the area of the triangle whose vertices are the [X1 У1 points (x₁, y₁), (X2, Y2) &(X3, Y3) is A A==|de|| det X2 Y2 LX3 1]

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 16E
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Show that the area of the triangle whose vertices are the
[Χ1 У1
det X2 Y2
31
1
points (x₁, y₁), (X2, Y2) &(X3, Y3) is A =
LX3
Y3
Transcribed Image Text:Show that the area of the triangle whose vertices are the [Χ1 У1 det X2 Y2 31 1 points (x₁, y₁), (X2, Y2) &(X3, Y3) is A = LX3 Y3
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