Question: Discrete Mathematics proof question (4 pts) 5. Prove a variation of the triangle inequality, which states that if x and y are real numbers, then

Discrete Mathematics proof question

Discrete Mathematics proof question (4 pts) 5. Prove a variation of the

(4 pts) 5. Prove a variation of the triangle inequality, which states that if x and y are real numbers, then Ixl lyl sIx -yl (where lxl represents the absolute value of x, which equals xifx 0 and equals-x if x

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