P(1, -4, 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. X (b) Find the area of the triangle PQR. T S O

Algebra and Trigonometry (MindTap Course List)
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Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter9: Vectors In Two And Three Dimensions
Section9.CT: Chapter Test
Problem 10CT
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P(1, -4, 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.
X
(b) Find the area of the triangle PQR.
X
Transcribed Image Text:P(1, -4, 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. X (b) Find the area of the triangle PQR. X
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