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Given the coordinates A (5, 7, -2) and B (8, 3, 4) in 3d space, express AB as: a) a 3x1 column vector b) in the form xi + yj + zk
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Apr 5, 2018
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Given the coordinates A (5, 7, -2) and B (8, 3, 4) in 3d space, express AB as:
a) a 3x1 column vector b) in the form xi + yj + zk
Mathematics
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Noah Passalacqua
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Noah Passalacqua
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The vector AB is found by subtracting the coordinates of point B from the coordinates of point A => (8, 3, 4) - (5, 7, - 2)
(8, 3, 4) - (5, 7, - 2) = (3, - 4, 6)
=>
a) a 3 x 1 column =
| 3 |
| -4 |
| 6 |
b) xi + yj + zk
=> 3i - 4j + 6k
Raynaldo
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Apr 12, 2018
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Raynaldo
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