Let triangle=|[1+x1y1,1+x1y2,1+x1y3],[1+...

Let `triangle=|[1+x_1y_1,1+x_1y_2,1+x_1y_3],[1+x_2y_1,1+x_2y_2,1+x_2y_3],[1+x_3y_1,1+x_3y_2,1+x_3y_3]|` then `triangle` equal to :

A

`x_1x_2x_3 + y_1y_2y_3`

B

`x_1x_2x_3 y_1y_2y_3`

C

`x_1x_2y_1y_2+x_2x_3y_2y_3+x_3x_1y_3y_1`

D

none of these

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