Give the reason justifying each of the numbered steps in the following proof of the triangle inequality.
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Give the reason justifying each of the numbered steps in the following proof of the triangle inequality.
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|a + b ² = (a + b)² 29 + 9pr + ₂D = ≤ a² + 2ab + b² z|9| + |9||1|2 + z|P| = = (a + b)² = |9| + |p| = |a + p | (1) (2) (3) (4)
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Related Book For
Thomas Calculus Early Transcendentals
ISBN: 9780321884077
13th Edition
Authors: Joel R Hass, Christopher E Heil, Maurice D Weir
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