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ARIHANT MATHS-MATRICES -Exercise For Session 3
- Find the adjoint of the given matrix and verify in each case that A.(a...
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- For any 2xx2 matrix, if A\ (a d j\ A)=[10 0 0 10] , then |A| is equal ...
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- If A is a singular matrix, then adj A is a. singular b. non singula...
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- If A=[(1,2,-1),(-1,1,2),(2,-1,1)], then det (adj (adjA)) is
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- If Kin R(0), then det (K I(0)) is equal to
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- With 1,omega,omega^(2) as cube roots of unity, inverse of which of the...
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- If the matrix A is such that A[{:(-1,2),(3,1):}]=[{:(-4,1),(7,7):}],th...
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- If A=[{:(cosx,sinx,0),(-sinx,cosx,0),(0,0,1):}] =f(x), then A^(-1) is ...
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- The element in the first row and third column of the inverse of the ma...
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- If {:A=[(0,1,-1),(2,1,3),(3,2,1)]:} then (A(adj A)A^(-1))A=
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- A is an involuntary matrix given by A=[0 1-1 4-3 4 3-3 4] , then the i...
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- If A satisfies the equation x^3-5x^2+4x+lambda=0 , then A^(-1) exists ...
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- A square non-singular matrix A satisfies A^2-A+2I=0," then "A^(-1)=
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- Matrix A such that A^2=2A-I ,w h e r eI is the identity matrix, the fo...
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- If {:X=[(3,-4),(1,-1)]:}, the value of X^n is equal to
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