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RS AGGARWAL-MATRICES-Exercise 5C
- Compute AB and BA, whichever exists when (i) A=[{:(2,-1),(3," "0),(-...
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Playing Now - show that (i) [{:(5,-1),(6,7):}][{:(2,1),(3,4):}]ne[{:(2,3),(3,4):}...
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Play - Show that AB = BA in each of the following cases: (i) A=[{:(costheta...
19:16
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Play - If A=[2-3-5-1 4 5 1-3-4] and B=[2-2-4-1 3 4 1-2-3] , show that A B=A a...
09:08
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Play - If A=[{:(0," "c,-b),(-c," "0," "a),(b,-a," "0):}]" and "B=[{:(a^(2),ab...
04:09
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Play - For the following matrices, verify that A(BC)=(AB)C: (i) A=[{:(1,2,5...
18:43
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Play - Verify that A(B+C)=(AB+AC), when (i) A=[{:(1,2),(3,4):}],B=[{:(2," "...
18:09
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Play - If A=[{:(" "1," "0,-2),(" "3,-1," "0),(-2," "1," "1):}],B=[{:(" "0,5,-...
12:24
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Play - If A=[{:(ab,b^(2)),(-a^(2),-ab):}], show that A^(2)=O.
02:56
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Play - If A=[{:(2,-2,-4),(-1," "3," "4),(1,-2,-3):}], show that A^(2)=A.
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Play - (i) if A=[{:(4,-1,-4),(3,0,-4),(3,-1,-3):}], then show that A^(2)=I(3...
03:47
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Play - If A=[2-1 3 2] and B=[0 4-1 7] , find 3A^2-2B+I .
05:38
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Play - If A=[{:(2,-2),(-3," "4):}] then find (-A^(2)+6A).
03:36
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Play - If A=[3 1-1 2], show that A^2-5A+7I=0
03:33
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Play - Show that the matrix A=[2 3 1 2] satisfies the equation A^3-4A^2+A=O .
06:05
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Play - If A A=[3-2 4-2]and I=[1 0 0 1], find k so that A^2=k A-2I.
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Play - If A=[{:(-1,2),(3,1):}], find f(A), where f(x)=x^(2)-2x+3.
04:08
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Play - If A=[{:(1,2),(4,-3):}] and f(x)=2x^(3)+4x+5, find f(A).
05:59
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Play - Find the values of x and y for which [{:(2,-3),(1," "1):}][{:(x),(y)...
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Play - Solve for x and y, when [{:(3,-4),(1," "2):}][{:(x),(y):}]=[{:(3),(1...
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