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Let the operation $\#$ be defined as $\#(a, b, c) = b^2 - 4ac$, for all real numbers $a, b$ and $c$. What is the value of $\#(1, 2, 3)$?

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 Apr 6, 2023
 #1
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#(1,2,3) = -12.

 Apr 6, 2023

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