• anonymous
Hi there, Im having troube with understanding the solution to the example 5 in cartesian-coordinates-and-vector course notes:"Show that if /A - B/ = /A + B/ , then A is perpendicular to B.". I dont see how if /A - B/ = ((A.A - 2A.B + B.B)) and if /A + B/ = ((A + B)!(A + B)) = ((A.A + 2A.B + B.B) would imply that A.B=0. Cheers!
OCW Scholar - Physics I: Classical Mechanics
• Stacey Warren - Expert brainly.com
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SOLVED
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