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10 questions from this quiz
x2+y2+z2\sqrt{x^2 + y^2 + z^2}x2+y2+z2
A vector of length 1
Divide a\mathbf{a}a by its magnitude
B−A\mathbf{B} - \mathbf{A}B−A
53\sqrt{53}53
29\sqrt{29}29
One is a multiple of the other
3λ+2μ=03\lambda + 2\mu = 03λ+2μ=0
±4\pm 4±4
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