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Maths-

General

Easy

Question

By eliminating $a comma b comma c$ from the Homogeneous Equations $x equals fraction numerator a over denominator b minus c end fraction comma y equals fraction numerator b over denominator c minus a end fraction comma z equals fraction numerator c over denominator a minus b end fraction$ where $a comma b comma c$ not all zero then $x y plus y z plus z x equals$

1
$- 1$
2
0

The correct answer is: $negative 1$

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