HARD
JEE Main/Advance
IMPORTANT
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If A is symmetric and B is skew-symmetric matrix, then which of the following is/are CORRECT?

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Important Questions on Matrices

MEDIUM
JEE Main/Advance
IMPORTANT
If A=aijn×n and f is a function, we define fA=faijn×n. Let A=π2-θθ-θπ2-θ. Then 
HARD
JEE Main/Advance
IMPORTANT
If A is a matrix such that A2+A+2I=O, then which of the following is/are true?
HARD
JEE Main/Advance
IMPORTANT
If A= 3-342-340-11, then 
HARD
JEE Main/Advance
IMPORTANT
If  1-tanθtanθ1 1tanθ-tanθ1-1=a-bba, then
HARD
JEE Main/Advance
IMPORTANT
If A-1=1-1203100-13 , then 
HARD
JEE Main/Advance
IMPORTANT
If A is an invertible matrix, then adjA-1 is equal to 
EASY
JEE Main/Advance
IMPORTANT
If A and B are two invertible matrices of the same order, then adj AB is equal to 
HARD
JEE Main/Advance
IMPORTANT
If A , B and C are three square matrices of the same order, then AB=ACB=C . Then