Question: 2.1 The set W of n x n matrices with real entries is known to be a linear vector space. Determine which of the following

2.1 The set W of n x n matrices with real entries is known to be a linear vector space. Determine which of the following sets are subspaces ofW:

a) The set of n x n skew-symmetric matrices?

b) The set of n x n diagonal matrices?

c) The set of n x n upper-diagonal matrices?

d) The set of n x n singular rnstrices? -

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