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The equation of the plane which bisects the line joining      (2, 3, 4) and (6, 7, 8) is [CET 1991, 93]

A.            \[x+y+z-15=0\]
B.            \[x-y+z-15=0\]
C.            \[x-y-z-15=0\]
D.            \[x+y+z+15=0\]
Answer» B.            \[x-y+z-15=0\]


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