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Use a cross product to solve the problem. 9) Find the area of the triangle determined by the points P(1, 1, 1), Q(-6, 7, 4), and R(-4, -6, -7).

Use a cross product to solve the problem. 9) Find the area of the triangle determined by the points P(1, 1, 1), Q(-6, 7, 4), and R(-4, -6, -7).

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Matrices And Determinants
Section7.5: Applications Of Matrices And Determinants
Problem 3ECP
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Please solve the following calc 3 problem and show all work by hand 

Use a cross product to solve the problem. 9) Find the area of the triangle determined by the points P(1, 1, 1), Q(-6, 7, 4), and R(-4, -6, -7).
Transcribed Image Text:Use a cross product to solve the problem. 9) Find the area of the triangle determined by the points P(1, 1, 1), Q(-6, 7, 4), and R(-4, -6, -7).
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