Q.If $A = \begin{pmatrix} a & b & c \ d & e & f \ g & h & i \end{pmatrix}$ and $a(ei-fh) - b(di-fg) + c(dh-eg) = 15$ , then $|A|$ equals

cannot be determined

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Q.If A=(abc def ghi)A = \begin{pmatrix} a & b & c \ d & e & f \ g & h & i \end{pmatrix}A=(a​b​c d​e​f g​h​i​) and a(ei−fh)−b(di−fg)+c(dh−eg)=15a(ei-fh) - b(di-fg) + c(dh-eg) = 15a(ei−fh)−b(di−fg)+c(dh−eg)=15, then ∣A∣|A|∣A∣ equals