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Question 1
Find the Minor of the following:
M22 for 
Question 2
If A and B are symmetric matrices of the same order, then (AB-BA) is a:
Question 3
If A= 
Question 4
Find the values of x+y for which 
Question 5
Find the inverse of 
where (ad – bc) 
0
where (ad – bc) 0
Question 6
Find the adjoint of given matrix 
Question 7
Find the value of k for which the points P (5,5), Q (k,1) and R (11,7) are collinear.
Question 8
If A = 
verify that 
– 4A – I = 0 and hence find A-1
verify that – 4A – I = 0 and hence find A-1
Question 9
If 
and 
where 
then 
is equal to
and where then is equal to
Question 10
If A is a square matrix, then the value of 
is equal to
is equal to
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Tags :
CDS & DefenceMathematicsJun 21CDS & Defence
