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Product of a complex root and its conjugate

High school · ●○○○○ 10 pts

Let zz be a complex number that satisfies z2+3=0z^2 + 3 = 0. Find the value of z⋅z‾z \cdot \overline{z}, where z‾\overline{z} denotes the complex conjugate of zz.

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complex conjugatequadratic equations