Home
Class 12
MATHS
If P=[[1, alpha, 3], [1, 3, 3], [2, 4, 4...

If `P=[[1, alpha, 3], [1, 3, 3], [2, 4, 4]]` is the adjoint of `3times3` matrix A and `|A|=4`, then `alpha=`

A

`11`

B

`5`

C

`0`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    MODERN PUBLICATION|Exercise Chapter test 4|12 Videos
  • DETERMINANTS

    MODERN PUBLICATION|Exercise Check your understanding|10 Videos
  • CONTINUITY AND DIFFERENTIABILITY

    MODERN PUBLICATION|Exercise CHAPTER TEST|12 Videos
  • DIFFERENTIAL EQUATIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST (9)|12 Videos

Similar Questions

Explore conceptually related problems

If P=[[1,alpha,3],[1,3,3],[2,4,4]] is the adjoint of a 3 X 3 matrix A and |A|=4 , then alpha is equal to: (A) 4 (B) 11 (C) 5 (D) 0

If M=[[1,c,3],[1,3,3],[2,4,4]] is the adjoint of a 3times3 matrix N and det(N)=4 ,then c is equal to

If P=[1alpha3 1 3 3 2 4 4] is the adjoint of a 3xx3 matrix A and |A|""=""4 , then a is equal to (1) 11 (2) 5 (3) 0 (4) 4

Find the adjoint of the matrix A=[[2,3],[1,4]] .

If A=[(1,x,3),(1,3,3),(2,4,4)] is the adjoint of a 3xx3 matrix B and det. (B)=4 , then the value of x is ______ .

Write the adjoint of the matrix A=[(-3, 4),(7,-2)] .

Find the adjoint of matrix A = [(6,5),(3,4)]

If A = {:[(2,-3),(4,1)]:} , then adjoint of matrix A is