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Let the system of linear equations -x+2y...

Let the system of linear equations
`-x+2y-9z=7`
`-x+3y+7z=9`
`-2x+y+5z=8`
`-3x +y+13z=lamda`
has a unique solution `x=alpha , y=beta, z=gamma`. Then the distance of the point `alpha,beta,gamma` from the plane `2x -2y+z=lamda` is

A

13

B

7

C

11

D

9

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