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 = A^T ?

4.  If A =   , for what value(s) of x will A = A^T ? 

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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