Q1. a) Let T:R → R² be defined by T(x, y, z)=(x+y,y-z). Is T invertible? Justify your answer. b) Let T:M -→R be defined by T(A)=det(A). Is T linear? Explain your answer. c) Let u = (0,-4,3). Determine all vectors orthogonal (perpendicular) to u.
Q1. a) Let T:R → R² be defined by T(x, y, z)=(x+y,y-z). Is T invertible? Justify your answer. b) Let T:M -→R be defined by T(A)=det(A). Is T linear? Explain your answer. c) Let u = (0,-4,3). Determine all vectors orthogonal (perpendicular) to u.
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.2: Inner Product Spaces
Problem 87E
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