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OBJECTIVE RD SHARMA ENGLISH-MATRICES-Exercise
- The rank of a null matrix is
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- If A is a matrix such that there exists a square submatrix of order r ...
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- Which of the following is correct ?
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- If a square matrix A is orthogonal as well as symmetric, then
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- Let A be a skew-symmetric of odd order, then absA is equal to
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- Let A be a skew-symmetric matrix of even order, then absA
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- If A is an orthogonal matrix, then
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- Let A be a non-singular square matrix of order n. Then; |adjA| =
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- Let A=[a(ij)](n xxn) be a square matrix and let c(ij) be cofactor of...
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- If A is a non-singlular square matrix of order n, then the rank of A i...
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- If A is a matrix such that there exists a square submatrix of order r ...
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- Let A be a matrix of rank r. Then,
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- Let A=[a(ij)](mxxn) be a matrix such that a(ij)=1 for all I,j. Then ,
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- If A is a non-zero column matrix of order mxx1 and B is a non-zero row...
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- The rank of the matrix {:[(1,2,3,0),(2,4,3,2),(3,2,1,3),(6,8,7,5)]:}, ...
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- If A is an invertible matrix, then "det" (A -1) is equal to
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- If A and B are two matrices such that rank of A = m and rank of B = n...
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- If A=[3 4 2 4] , B=[-2-2 0-1] , then (A+B)^(-1) (a) is a skew-symmetr...
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- Let A=[a0 0 0a0 0 0a] , then A^n is equal to [a^n0 0 0a^n0 0 0a] (b) [...
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- If A=[[costheta,sintheta],[-sintheta,costheta]],then Lim(x>oo)1/nA^n i...
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