Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.2: Matrix Algebra
Problem 21EQ: Prove the half of Theorem 3.3 (e) that was not proved in the text.
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Transcribed Image Text:5. Given: 2QWT and LTWX are complementary.
Prove: x =
28
Statements
Reasons
2x
ZQWT and TWX are
complementary
MLQWT + MLTWX = 90
x +6
2x +x + 6 =90
3x + 6= 90
3x = 84
X = 28
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