Answer:
C. 666
Step-by-step explanation:
USING PEMDAS we can solve this problem.
Which of the following is not an undefined term? point, ray, line, plane
2 answers:
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Given 
subject to the constraint 
Let
.
The gradient vectors of
and 
are:
and 
By Lagrange's theorem, there is a number
, such that
It can be seen that has local extreme values at the given region.
Let
The gradient vectors of
By Lagrange's theorem, there is a number
It can be seen that
The diameter is twice as big as the radius
