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Solved: Suppose cu = 0 for some nonzero scalar c. Show

Linear Algebra and Its Applications | 4th Edition | ISBN: 9780321385178 | Authors: David C. Lay ISBN: 9780321385178 62

Solution for problem 30E Chapter 4.1

Linear Algebra and Its Applications | 4th Edition

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Linear Algebra and Its Applications | 4th Edition | ISBN: 9780321385178 | Authors: David C. Lay

Linear Algebra and Its Applications | 4th Edition

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Problem 30E

Suppose cu = 0 for some nonzero scalar c. Show that u = 0. Mention the axioms or properties you use.

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Step 1 of 3

Thursday, March 31, 2016 History of Photography Week 9: Social Documentary in The USA - Goldberg • Maholly Nagy - talks a lot about mark making - Doing a lot of the photograms - be familiar with the writings on him • Charles Cathin (for) opposed to Joseph Punnell (against) - know which one is which and the argument they present • The Decisive moment - What going on • 1929: Wall street crash • US cotton plummets 6cents a pund • Roosevelt begins the New Deal • Dust Bowl across southern and central plains • 1937: The Resettlement Act folds into the FSA • 1942: the FSA’s photographic unit transfers to the Office of War information - FSA (Farm Security Administration) • Sought to bring attention to those who were suffering • est. 1935 • Aimed to counteract the effects of the Great Depression (1929-1940) • took 270,000 photos - The feel, taste, and smell of the 30’s • Roy Stryker - Director of the FSA 1 Thursday, March 31, 2016 - Defined the FSA and jumpstarted many people’s careers • Photographers - Dorothea Lang • Gets noticed by Stryker because she is working along Ansel Adams and because of her work documenting the Depression in the 1930’s • Child living in Oklahoma City Shack-Town • Series: Migrant Mother, 1936 - She has 7 hungry children - Mother is 32 and Father is unemployed because of a failed crop and they sold their tires to buy food - Takes 6 images of this women in different situations - using the religious iconography of mother and child - Walker Evans • One of the 1st hired and the 1st hired in the FSA - didn’t play by the rules uses large 8x10 camera • • huge fan of Eugene Atget - known for observation and street photography • Untitled, From Land of the Free, 1937 - looked for things that told a story or acted as a metaphor for life - released to the press and shows what t is really like to live in the USA • James Agee - writer - Creates a book (let us now praise famous men) with Evans which is one of the first to have a complete collaboration of writer and photographer - Allie Mae Buroughs, 1936 • She starts to blend in with her surrounding 2 Thursday, March 31, 2016 • line of mouth starts to mimic line son the house - Arthur Rothstein • One of the First hires to the FSA • Fleeting a Dust Storm, 1936 - Big dust storm coming, lack of vanishing point - foreground elements are bleeding into the sky - ominous and bleek - Showing the absent markings of the horizon line give way to distortion and sympathy - Controversial because it is set up though some bit of this photograph holds some truth • - Russell Lee - Ben Shahn - Gordon Parks • Civil rights photographer • Working for FSA and as a photographer for LIFE • photographing in BW and Color • Directed Shaft • Ella Watson (American Gothic), 1942 - cleaned the agency offices and he took pictures of her working and at her home - Margaret Burke White • she was a celebrity in her own right - because she is a women photographer and takes lots of risks allowing her to go into places that many others could not • noted for her documentary work • 1st female war photojournalist, 1st female photographer for LIFE 3 Thursday, March 31, 2016 • 1st cover of Life Magazine • Goes to Russia to photograph their industrial sites • Have you Seen their Faces - book where images are factual and words are more about poetry • Photographed religious figures and celebrities - Bernice Abbott pushed Eugene Atget work into the public • • Darkroom assistant to Man Ray • Known for photographing New York City buildings - heavy on perspective and using vantage point - drastic angles • Bill Brandt - British photographer known for his photos of British society - published books f his work - Parlormaid and Under-Parlormaid Ready to Serve Dinnen • The Workers Film and Photo League - NY 1930 - committed to capturing urban life - groups splits - W. Eugene Smith is a member - group offers lectures, classes, collaborative ventures - Margaret Burke White and Bernie Abbott - Aaron Siskind • worked on a project called the Harlem Document - middle of Depression and Harlem Renaissance - white guy accepted into the society 4 Thursday, March 31, 2016 - Reflection of a Man in a Dresser Mirror, 1938 - 5

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Chapter 4.1, Problem 30E is Solved
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Textbook: Linear Algebra and Its Applications
Edition: 4
Author: David C. Lay
ISBN: 9780321385178

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Solved: Suppose cu = 0 for some nonzero scalar c. Show