hw4-solutions

# Using cramers rule so and b the corresponding matrix

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Unformatted text preview: So and (b) The corresponding matrix equation is: [ [ ] This system has a unique solution iff | [ . Hence: | which holds for . Using Cramer’s Rule: . So and (c) The corresponding matrix equation is: [ This system has a unique solution iff | | [ ] . Hence: which holds for . Using Cramer’s Rule: | | | | | and | | | . So | | | | Problem 5. is in kernel of matrix [ (a) {| . { } also is not injective because {| } [ The dimension of darnel of [ ] which are not for example [ ] { | is 2 (the set of basis for as a transformation is not surjective because covered by [ [ such as [ ] [ ]. [ [ as a transformation is not surjective because covered by (c) } { | is a line so the dimension is one....
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## This note was uploaded on 02/13/2014 for the course CS 132 taught by Professor Kfoury during the Fall '13 term at BU.

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