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junior college 1 | H2 Maths
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emily
Emily

junior college 1 chevron_right H2 Maths

pls help thanks :)

Date Posted: 7 years ago
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Tham KY
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emily
Emily
7 years ago
thanks!
emily
Emily
7 years ago
why is it equals to zero when a and b are non parallel vectors ?
Tham KY
Tham KY
7 years ago
If parallel, then vector a is k times vector b. If not parallel, then their coefficients must be zero so as to make them equal.