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Mathematics 21 Online
OpenStudy (anonymous):

Find which values of t make the following vectors orthogonal: u = (3, t, 2t), v = (−2, 1, t)

OpenStudy (anonymous):

Dot them, set equal to 0.

OpenStudy (anonymous):

-2,3/2

OpenStudy (anonymous):

Yep cheers. Lecturer's note...terrible.

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