1.

Choose the correct opion The expression x_1(y_2-y_3)+x_2(y_3-y_1)+x_3(y-1-y_2), when written in the form of a determinant of 3rdorder ,it will be

Answer»


`|{:(x_1,-y_1,1),(x_2,-y_2,-1),(x_3,-y_3,1):}|`
`|{:(x_1,y_1,1),(x_2,y_2,1),(x_3,y_3,1):}|`
`|{:(x_1,-y_1,1),(x_2,y_2,1),(-x_3,y_3,1):}|`

ANSWER :B


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