If
the matrix *A*
is both symmetric and skew symmetric, then

**A.** *A*
is a diagonal matrix

**B.** *A*
is a zero matrix

**C.** *A*
is a square matrix

**D. ** None
of these

**Answer:
B**

If *A*
is both symmetric and skew-symmetric matrix, then we should have

Therefore,
*A* is a
zero matrix.

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