HARD
JEE Main
IMPORTANT
Earn 100

The set of all values of for which the system of linear equations:
has a non-trivial solution,
(a)Contains more than two elements.
(b)Is an empty set.
(c)Is a singleton.
(d)Contains two elements.

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Important Questions on Matrices and Determinants
HARD
JEE Main
IMPORTANT
If is a matrix such that , then is equal to

MEDIUM
JEE Main
IMPORTANT
If , then is equal to:

HARD
JEE Main
IMPORTANT
If , then the value of

EASY
JEE Main
IMPORTANT
Let and be any two matrices. If is symmetric and is skew symmetric, then the matrix is

MEDIUM
JEE Main
IMPORTANT
If are non - zero real numbers and if the system of equations
has a non - trivial solution, then equals :

MEDIUM
JEE Main
IMPORTANT
If is a matrix such that , then is equal to :

HARD
JEE Main
IMPORTANT
If , and , then is equal to

HARD
JEE Main
IMPORTANT
If is a non-singular matrix such that and then equals, where denotes the transpose of the matrix .
