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If for some alpha in R, the lines L1 :...

If for some `alpha in R,` the lines
`L_1 : (x + 1)/(2) = (y-2)/(-1) = ( z -1)/(1)` and
`L_2 : (x + 2)/(alpha) = (y +1)/(5 - alpha) = (z + 1)/(1)` are coplanar , then the line `L_2` passes through the point :

A

(10, 2, 2)

B

(2, - 10, - 2)

C

(10, -2, -2)

D

(-2, 10 , 2)

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