Matrices 1

 


1.  For what value(s) of x will    be singular?

 


2.  For what value(s) of x will     be singular?

 


3.  If A =   , for what value(s) of x will A = AT ?

 


4.  If A =   , for what value(s) of x will A = AT

 


5.  For what value(s) of x will   be invertible?

 


6.  For what value(s) of x will     be invertible?

 


7.  For what value(s) of x will    be invertible?

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