️TRIANGLE INEQUALITY PROOF in 1 MINUTE, Real numbers, Calculus inequalities, shorts

We prove in 1 minute the TRIANGLE INEQUALITY Theorem of real numbers, a very useful result in calculus and mathematics. David's science and music channel: /user/drdaviddarling Juan's mathematics channel (Spanish): /user/juanmemol David's website: https://www.daviddarling.info

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