Solve the given problems. Where indicated, the expression is found in the stated technical area. Show that
Question:
Solve the given problems. Where indicated, the expression is found in the stated technical area.
Show that
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x² + y² = 1⁄2 [(x + y)² + (x − y)²]. 
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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