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Past exam of the mathematics course of the University of Cambridge
/
2025
/
ib
/
Paper 2
/
7H
/
a
/
Solution
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Past exam of the mathematics course of the University of Cambridge
2025
ib
Paper 2
7H
a
Created
2026-09-24
Updated
2026-09-25
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A
set
is convex when it contains every segment joining two of its points.
A
function
on
a
convex set
is convex when
f
(
t
x
+
(
1
−
t
)
y
)
≤
t
f
(
x
)
+
(
1
−
t
)
f
(
y
)
(1)
for all
x
,
y
and
0
≤
t
≤
1
.
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a
7H
Paper 2
ib
2025
Past exam of the mathematics course of the University of Cambridge
Mathematics course of the University of Cambridge
Course of the University of Cambridge
University of Cambridge
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