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Question: Answered & Verified by Expert
If $x=-9$ is a root of $\left|\begin{array}{lll}x & 3 & 7 \\ 2 & x & 2 \\ 7 & 6 & x\end{array}\right|=0$, then order two roots are
MathematicsDeterminants
Solution:
2619 Upvotes Verified Answer
$x=2 y=7$

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