Home
Class 12
MATHS
If the matrix [(1,2,x),(5,7,9),(1,2,3)] ...

If the matrix `[(1,2,x),(5,7,9),(1,2,3)]` is singular then `x=`

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MATRICES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1A MCQ (ALGEBRA OF MATRICES)|135 Videos
  • MATRICES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1B MCQ (DETERMINANTS)|189 Videos
  • MATHEMATICAL REASONING [APPENDIX - 4]

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise|150 Videos
  • MEASURES OF DISPERSION

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE-2 ( SET -4)|2 Videos

Similar Questions

Explore conceptually related problems

If the matrix [(x,b,b),(1,1,1),(0,x,a)] is singular, then x=

The matrix [(3,2),(5,1)] is

Show that the matrix A = [(1,2,1),(3,2,3),(1,1,2)] is non-singular and find A^(-1) .

Show that the matrix A=[{:(1,2,1),(3,2,3),(1,1,2):}] is non-singular and find A^-1 .

I: If the matrix A =[(8,-6,2),(-6,7,-4),(2,-4,lamda)] is singular one, then lamda=3 II: If the matrix [(cos theta, sin theta, 0),(sin theta, cos theta, 0),(0,0,1)] is singular then theta=pi//2

If ((1,2,x),(4,-1,7),(2,4,-6)) is a singular matrix, then x=

If the matrix [(x,4),(2,8)] is singular, then x=

The cofactor of 7 and 5 in the matrix [(1,2,3),(4,-1,7),(2,4,5)] are

Show that the matrix A=[(1, -1, 5),(-1,2,1),(5,1,3)] is a symmetric matrix.

If A=[(-1,2,3),(2,5,6),(3,x,7)] is a symmetric matrix then find x.