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Q.

Consider the system   AX=B  with  A=112142,B=3hk,
where h and k are unspecified real parameters, then which of the following option(s) is / are true?
 

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a

There exists a matrix X such that AX=B , for every hR    
 

b

There exists infinitely many matrices X such that  AX=B  for finite number of values of  h

c

The relation between the parameters h and k, such that the given system AX=B   is consistent is k=2h  
 

d

The relation between the parameters h and k, such that the given system  AX=B  is consistent is  h=2k 
 

answer is A, D.

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Detailed Solution

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k=2h   for all  h
The system has the unique solution  X=h36h  for all  h , where k=2h  
 

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