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If all elements of a third order determinant are equal to 1 or -1, then determinant itself is

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Important Questions on Determinants

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Gamma Question Bank for Engineering Mathematics>Chapter 20 - Determinants>Assignment>Q 30
If A is a 3×3 matrix and det(3A)=k{det(A)}, then k is
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Gamma Question Bank for Engineering Mathematics>Chapter 20 - Determinants>Assignment>Q 31
If A is any of square matrix of order n, then A(adjA) is equal to
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Gamma Question Bank for Engineering Mathematics>Chapter 20 - Determinants>Assignment>Q 32
If A is a square matrix of order 3,|A|=3, then |adjadjA| is equal to
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Gamma Question Bank for Engineering Mathematics>Chapter 20 - Determinants>Assignment>Q 33
If A=117-1317, then adj(adjA) is
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Gamma Question Bank for Engineering Mathematics>Chapter 20 - Determinants>Assignment>Q 34
If A=sinα-cosα0cosαsinα0001, then A-1 is equal to
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Gamma Question Bank for Engineering Mathematics>Chapter 20 - Determinants>Assignment>Q 35
If A is a matrix of order 3 and |A|=2 then |adjA| is
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Gamma Question Bank for Engineering Mathematics>Chapter 20 - Determinants>Assignment>Q 36
Let A=00-10-10-100  . The only correct statement about matrix A  is
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Gamma Question Bank for Engineering Mathematics>Chapter 20 - Determinants>Assignment>Q 37
If the lines ax+y+1=0, x+by+1=0 and x+y+c=0(a, b, c being distinct and different from1) are concurrent, then 11-a+11-b+11-c=