\( A B C D \) is a rhombus, its diagonal \( A C \) and \( B D \) intersect at the point \( M \) ....

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\( A B C D \) is a rhombus, its diagonal \( A C \) and \( B D \) intersect at the point \( M \) and satisfy \( B D=2 A C \). If the points \( D \)
\( \mathrm{P} \)
and \( M \) are the complex numbers \( 1+i \) and \( 2-i \)
W
respectively, then \( A \) represent the complex number.
(1) \( 3-\frac{1}{2} i, 1+\frac{3}{2} i \)
(2) \( 3+\frac{1}{2} i, 1+\frac{3}{2} i \)
(3) \( 3-\frac{1}{2} i, 1-\frac{3}{2} i \)
(4) \( 3+\frac{1}{2} i, 1-\frac{3}{2} i \)


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