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Mathematics
Mathematics
Problem
If the circumcentre of the triangle whose vertices are (3, 2, -5), (-3, 8, -5) and (-3, 2, 1) is
(
−
1
,
λ
,
−
3
)
(-1, \lambda, -3)
(
−
1
,
λ
,
−
3
)
the integer
λ
\lambda
λ
must be equal to .....
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