2023 AMC 12B Problems/Problem 12
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Problem
For complex number 
v = c+di
i=\sqrt{-1}
u \earth v = ac \plus bdi$$ (Error compiling LaTeX. Unknown error_msg)\textbf{(A) }\frac{9}{25}\qquad\textbf{(B) }\frac{1}{9}\qquad\textbf{(C) }\frac{1}{5}\qquad\textbf{(D) }\frac{25}{169}\qquad\textbf{(E) }\frac{4}{25}$
