Home
Class 12
MATHS
Find co-factor of a(31) for a matrix ...

Find co-factor of `a_(31)` for a matrix of order `3xx3`

Promotional Banner

Topper's Solved these Questions

  • LINEAR INEQUATIONS

    CHHAYA PUBLICATION|Exercise SAMPLE QUESTION FOR COMPETITIVE EXAMS (Comprehension Type)|7 Videos

  • LINEAR INEQUATIONS

    CHHAYA PUBLICATION|Exercise SAMPLE QUESTION FOR COMPETITIVE EXAMS (Assertion- Reason Type)|2 Videos

  • LINEAR INEQUATIONS

    CHHAYA PUBLICATION|Exercise SAMPLE QUESTION FOR COMPETITIVE EXAMS ( Integer Answer Type)|5 Videos

  • LINEAR DIFFERENTIAL EQUATION

    CHHAYA PUBLICATION|Exercise Sample Question for Competitive Examination(E. Assertion-Reason Type)|2 Videos

  • LINEAR PROGRAMMING GRAPHICAL METHOD

    CHHAYA PUBLICATION|Exercise Assertion Reason Type|2 Videos

Similar Questions

Explore conceptually related problems

Let A=([a_(i j)])_(3xx3) be a matrix such that AA^T=4Ia n da_(i j)+2c_(i j)=0,w h e r ec_(i j) is the cofactor of a_(i j)a n dI is the unit matrix of order 3. |a_(11)+4a_(12)a_(13)a_(21)a_(22)+4a_(23)a_(31)a_(32)a_(33)+4|+5lambda|a_(11)+1a_(12)a_(13)a_(21)a_(22)+1a_(23)a_(31)a_(32)a_(33)+1|=0 then the value of 10lambda is _______.

Find the number of all possible matrices of order 3xx3 with each entry 0 or 1. How many of these are symmetric ?

Find the matrices A and B when A+B = 2B^(t) and 3A+2B=I_(3) where B^(t) denotes the transpose of B and I_(3) is the identity matrix of order 3.

If one of the eigenvalues of a square matrix a order 3xx3 is zero, then prove that det A=0 .

If A={:[(1,x,-2),(2,2,4),(0,0,2)]:} and A^(2)+2I_(3)=3A find x, here I_(3) is the unit matrix of order 3.

Let A be a nonsingular square matrix of order 3xx3 .Then |adj A| is equal to

If A is a diagonal matrix of order 3xx3 is commutative with every square matrix or order 3xx3 under multiplication and t r(A)=12 , then the value of |A|^(1//2) is ______.

If X={:[(1,-3,-4),(-1,3,4),(1,-3,-4)], show that, X^(2)=0 where 0 is the null matrix of order 3xx3.

If the matrix A=1/3 {:((a,2,2),(2,1,b),(2,c,1)):} obeys the law "AA"'=I, find a,b,and c (Here A' is the transpose of A and I is the unit matrix of order 3).

Let A and B be two square matrices of order 3 and AB=O_3 , wher O_3 denotes the null matrix of order 3. Then,