Define 𝜌:ℝ × ℝ → [0,∞) by

(𝑥,𝑦) = { 0 𝑖𝑓 𝑥 =𝑦

1 𝑖𝑓 𝑥≠𝑦

Prove that 𝜌 is a metric.

asked by guest
on Nov 16, 2024 at 3:23 pm



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