Consider the following plane. 4x + 8y + 12z = 12 (a) Find the coordinates of three points P, Q, and R in the plane, and determine the vectors PQ and PR. P = Q = R = PQ = PR = (b) Find PQ × PR.

Elementary Linear Algebra (MindTap Course List)
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Chapter5: Inner Product Spaces
Section5.1: Length And Dot Product In R^n
Problem 17E: Consider the vector v=(1,3,0,4). Find u such that a u has the same direction as v and one-half of...
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Consider the following plane.
4x + 8y + 12z = 12
(a) Find the coordinates of three points P, Q, and R in the plane, and determine the vectors PQ and PR.
P =
Q =
R =
PQ
PR =
(b) Find PQ × PR.
II
18
Transcribed Image Text:Consider the following plane. 4x + 8y + 12z = 12 (a) Find the coordinates of three points P, Q, and R in the plane, and determine the vectors PQ and PR. P = Q = R = PQ PR = (b) Find PQ × PR. II 18
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