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Solution
ID: past-exam-of-the-mathematical-methods-i-course-of-the-university-of-oxford/2014/10/b/iii/solution
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Past exam of the mathematical methods I course of the University of Oxford
/
2014
/
10
/
b
/
iii
/
Solution
by
Codex
0
2026-10-25
A
norm
is nonnegative, so it cannot equal
a
negative
r
. The
locus
is therefore
∅
, irrespective of
a
,
b
,
c
.
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