4. Let L:V-W be an isomorphism of vector space V onto vector space W. (a) Prove that L(0v) 0w where 0y and Ow are the zero vectors in V and W, respectively. (b) Show that L(v-w) L(v)-L(w). 5. Find the rank and nullity of the matrix 1 3 -2 5 4 1 4 13 5 14 2 4 3 27 -3 6 13 6. Give examples of 2 x 2 matrices such that rank (A+ B) < rank A, rank B.
4. Let L:V-W be an isomorphism of vector space V onto vector space W. (a) Prove that L(0v) 0w where 0y and Ow are the zero vectors in V and W, respectively. (b) Show that L(v-w) L(v)-L(w). 5. Find the rank and nullity of the matrix 1 3 -2 5 4 1 4 13 5 14 2 4 3 27 -3 6 13 6. Give examples of 2 x 2 matrices such that rank (A+ B) < rank A, rank B.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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