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Mathematics
Mathematics
Problem
If
O
O
O
is the origin and
A
A
A
is the point
(
a
,
b
,
c
)
(a, b, c)
(
a
,
b
,
c
)
then the equation of the plane through
A
A
A
and at right angles to
O
A
OA
O
A
is
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