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If A is a square matrix of order 3 and |3A| = k|A|, then write the value of 'k'.

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`27`
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ACCURATE PUBLICATION-DETERMINANTS-Type-II (Fill in the blanks questions)
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  2. If A= diag (5, 2, l) then det A is equal to :

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  3. If A is a square matrix of order 3 and |3A| = k|A|, then write the val...

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  4. The value of the det. |[x+y,y+z,z+x],[z,x,y],[1,1,1]| is

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  5. The value of |{:(1,p,q+r),(1,q,r+p),(1,r,p+q):}| is……

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  6. If area of a triangle is 4 sq. units with vertices (k,0), (4,0) and (0...

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  7. A is a square matrix of order 3 and |A|=7, then the value of |adjA| is...

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  8. If A is non-singular matrix of order 3 and |A|=7 then |adjA| equals………...

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  9. If |A|=2, where A is a 2xx2 matrix, then |adjA| is …………

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  10. If A=[{:(3,2),(1,7):}], then A(adjA) equals……..

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  11. If A=[{:(3,2),(1,9):}], then A(adjA) equals……..

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  12. Select the Correct Option If A is an invertible matrix of order 2, the...

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  13. If x. y, z are non- real number", then the inverse of matrix A = [[x,0...

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  14. If A,B,C are the angles of a triangle, then Delta=|{:(sin^(2)A, cotA...

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  15. The determinant Delta=|{:(sqrt(23)+sqrt(3),sqrt(5),sqrt(5)),(sqrt(15)+...

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  16. The value of the determinant Delta=|{:(sin^(2)23^(@)sin^(2)67^(@)cos18...

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  17. If A is matrix of order 3xx3, then |3A|=……….

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  18. If A is invertible matrix of order 3xx3, then |A^(-1)|……….

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  19. If x,y,z epsilon R, then the value of determinant |{:((2^(x)+2^(-x))^(...

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  20. If cos2theta=0, then |{:(0,costheta,sintheta),(costheta,sintheta,0),(s...

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