# 6 11 points previous answers holtlinalg1 32016 expand

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A=A2A2==.−2905−2905427025
6.1/1 points |Previous AnswersHoltLinAlg1 3.2.016.Expand the given matrix expression and combine as many terms as possible. Assume that allmatrices areSolution or Explanationn×n.(A+I)(A2+A(A+I)(A2+A) =A(A2+A) +I(A2+A) =A(A2) +A(A) + (A2+A) =A3+A2+A+ 2A2+)2+A=A3A
2015317UW Common Math 308 Section 3.27.1/1 points |Previous AnswersHoltLinAlg1 3.2.019.The given matrix equation isnottrue in general. Explain why. Assume that all matrices aren×n.(A+B)2=A2+ 2AB+(A+B)2=A2+AB+BA+B2. This is only equal toA2+ 2AB+B2whenABwhich in general is not true.(A+B)2=A2+AB+BA+B2. This is only equal toA2+ 2AB+B2whenABwhich in general is not true.(A+B)2=A2+ABAB+B2=A2+B2. This is only equal toA2+ 2AB+B= 0nnorB= 0nn, which in general is not true.(A+B)2=A2BA+BA+B2=A2+B2. This is only equal toA2+ 2AB+B= 0nnorB= 0nn, which in general is not true.B2=BA,= −BA,2whenA2whenABA+B2.,
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2015317UW Common Math 308 Section 3.28.1/1 points |Previous AnswersHoltLinAlg1 3.2.031.Find an example that meets the given specifications.3×3 matricesAandBsuch that123456789[0, 0, 0; 0, 0, 0; 0, 0, 1]For example,Thenand
9.1/1 points |Previous AnswersHoltLinAlg1 3.2.034.Find an example that meets the given specifications.

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Term
Winter
Professor
Milakis
Tags
Math, UW Common Math
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