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If A is symmetric as well as skew-symmetric matrices, then A is

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Important Questions on Matrix

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 1 - Matrix>Work Book Exercise 1.2>Q 2
If A is a square matrix, then
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 1 - Matrix>Work Book Exercise 1.2>Q 3
If A is 3×4 matrix and B is a matrix such that A'B and BA' are both defined. Then, B is of the order
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 1 - Matrix>Work Book Exercise 1.2>Q 4
If A is a 3×3 skew-symmetric matrix, then trace of A is equal to
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 1 - Matrix>Work Book Exercise 1.2>Q 5
If A and B are two n×n non-singular matrices, then 
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 1 - Matrix>Work Book Exercise 1.2>Q 6
If AB=A and BA=B, then B2 is equal to
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 1 - Matrix>Work Book Exercise 1.2>Q 7
The matrix A=113526-2-1-3 is
MEDIUM
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 1 - Matrix>Work Book Exercise 1.2>Q 8
In which of the following type of matrix there always exists an inverse?
MEDIUM
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 1 - Matrix>Work Book Exercise 1.2>Q 9
If a 3×3 non-singular matrix A has its inverse equal to A, then A2 is equal to