Question: Question 2: If the set C is convex. Argue that a point :I: E C is extreme if and only if the set C

Question 2: If the set C is convex. Argue that a point :I: E C is extreme if and only if the set C \\ {5c} is convex. Here C \\ {1'} denotes the set C after removing the point 12

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Question 2: If the set C is convex. Argue that a point :t E C is extreme if and only if the set C \\ {:t} is convex. Here (3 \\ {1'} denotes the set C after removing the point :13

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