Home
Class 12
MATHS
IF A=[{:(5,6,-3),(-4,3,2),(-4,-7,3):}] t...

IF `A=[{:(5,6,-3),(-4,3,2),(-4,-7,3):}]` then write the cofactor of the element `a_21` of its 2nd row.

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    ARIHANT PRAKASHAN|Exercise TOPIC -2 (PRACTICE QUESTIONS) (1 MARK QUESTIONS) |2 Videos

  • DETERMINANTS

    ARIHANT PRAKASHAN|Exercise TOPIC -2 (PRACTICE QUESTIONS) (4 MARK QUESTIONS) |7 Videos

  • DETERMINANTS

    ARIHANT PRAKASHAN|Exercise TOPIC -1 (PRACTICE QUESTIONS) (6 MARK QUESTIONS) |7 Videos

  • CONTINUITY AND DIFFERENTIABILITY

    ARIHANT PRAKASHAN|Exercise Chapter test (6 mark question)|8 Videos

  • DIFFERENTIAL EQUATIONS

    ARIHANT PRAKASHAN|Exercise Chapter test (6 MARKS Questions)|8 Videos

Similar Questions

Explore conceptually related problems

If A=[{:(1,2,3),(3,-2,1),(4,2,1):}] then show that A^(3)-23A-40I=O

IF [{:(3,5,3),(2,4,2),(lamda,7,6):}] is a singular matrix, then write the value of lamda

If A=[{:(1,2,3),(3,-2,1),(4,2,1):}] , show that A^(3)-23A-40I=0

If A=[[2,3,4,5],[6,7,8,9],[1,-3,5,6]] then what is the order of A^T .