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MODERN PUBLICATION-DETERMINANTS-EXERCISE
- If a, b, c, are in A.P, then the determinant |[x+2,x+3,x+2a],[x+3,x+4,...
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- Let A = [[1,sintheta,1],[-sintheta,1,sintheta],[-1,-sintheta,1]], wher...
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- If |(2x,5),(8,x)|=|(6,-2),(7,3)| , write the value of x.
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- The area of a triangle with vertices (-3,0),(3,0) and (0,k) is 9 sq. u...
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- If A,B and C are angles of a triangle, then the determinant: {:|(-1,...
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- If determinant A is of order 2xx2 and |A|=3, then the value of |2A| is
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- Write the value {:|(x,x+1),(x-1,x)|
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- If matric A = {:|(3-2x,x+1),(2,4)| is singular, then x is equal to
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- The value of x from the equation {:|(x,2,3),(4,x,1),(x,2,5)|=0 is
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- If A is a square matrix of order 3 such that |adjA|=16, then |A| is
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- If {:|(2,3),(4,5)| = |(x,3),(2x,5)|, then the value of 'x' is ………..
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- The cofactor of a13 in {:|(2,-3,5),(6,0,4),(1,5,-7)| is
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- If A= diag (4, 2, 1) then det. A is equal to :
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- If a, b, c, are in A.P, then the determinant |[x+2,x+3,x+2a],[x+3,x+4,...
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- If a1,a2,a3,……………….. are in A.P., then the value of: {:|(a1,a2,1),(a...
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- The system of linear equations: 3x+y-z=2,x-z=1 and 2x+2y+az=5 has un...
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- Let I denote the 3xx3 and P be a matrix obtained by rearranging the co...
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- If A is matrix of order 3,such that A(adjA)=10I. Then |adjA|=
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- Without expanding the determinant at any stage, prove that {:|(x+1,x+2...
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- Consider the following statements: (i) If any two rows or coluns of a ...
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