Verify A(adj.A)=(adj.A)A=|A|I: [{:(2,3...

Verify `A(adj.A)=(adj.A)A=|A|I`:
`[{:(2,3),(-4,-6):}]`

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MODERN PUBLICATION-DETERMINANTS-Exercise 4(g) (SHORT ANSWER TYPE QUESTIONS)

Verify A(adj.A)=(adj.A)A=|A|I: [{:(2,3),(-4,-6):}]
04:35
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Verify A(adj.A)=(adj.A)A=|A|I: [{:(1,-1,2),(3,0,-2),(1,0,3):}]
08:29
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Verify that A(adjA)=I when : A=[{:(cos theta, -sintheta,0),(sintheta,...
06:31
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Find the inverse of each of the following matrice : [{:(-1,5),(-3,2)...
02:46
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Find the inverse of each of the following matrice : [{:(2,-2),(4,3):...
02:36
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If A=[{:(2,-1),(-1,2):}], verify A^(2)-4A+3I=0, where I=[{:(1,0),(0,1)...
05:26
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If A=[{:(3,1),(-1,2):}], show that A^(2)-5A+7I=O. Hence, find A^(-1).
05:34
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Consider the matrix A=[{:(2,3),(4,5):}]. Show that A^(2)-7A-2I=O
03:17
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Consider the matrix A=[{:(2,3),(4,5):}]. Hence , find A^(-1).
01:57
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If A=[{:(2,3),(5,-2):}], write A^(-1) in terms of A.
02:00
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Verify (AB)^(-1)=B^(-1)A^(-1) for the matrices A and B where A=[{:(2...
08:15
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Verify (AB)^(-1)=B^(-1)A^(-1) for the matrices A and B where A=[{:(3...
07:57
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Verify (AB)^(-1)=B^(-1)A^(-1) for the matrices A and B where A=[{:(3...
06:10
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Verify (AB)^(-1)=B^(-1)A^(-1) for the matrices A and B where A=[{:(4...
05:23
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Show that the matrix A=[{:(2,3),(1,2):}] satisfies the equation A^(2)-...
05:15
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If A=[{:(2,-1),(1,3):}] , then show that A^(2)-5A+7I(2)=O, hence find ...
05:44
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If A=[3 1-1 2] , show that A^2-5A+7I=O . Hence, find A^(-1) .
02:58
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For the matrix A=[{:(2,1),(3,0):}] , find the numbers 'a' and 'b' such...
06:23
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If A=[{:(2,-3),(-4,7):}], compute A^(-1) and show that 2A^(-1)+A-9I=O.
03:22
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