1.4, Basic Number Properties with Vectors

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Closed sillypog closed 11 years ago

sillypog commented 11 years ago

The text in the box states that both vector and numerical subtraction are commutative although neither is true.

3-1 = 2 1-3 = -2

(3,4) - (2,2) = (1,2) (2,2) - (3,4) = (-1,-2)

shiffman commented 11 years ago

Thank you!! 74292981f844c9f266dec9e16bb635ecbe5335cc