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The number of matrices $$A=\begin{bmatrix}a & b \\c & d \end{bmatrix}$$,Β where $$π, π, π, dΒ βΒ -1, 0, 1, 2, 3, β¦ β¦ , 10,$$ such that $$A=A^{T}$$, is______.
Correct Answer: 50
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