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The vector $\begin{pmatrix} k \\ 2 \end{pmatrix}$ is orthogonal to the vector $\begin{pmatrix} 3 \\ 5 \end{pmatrix}$. Find $k$.


I thought the answer should be 10/4/
8 years ago

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bobpursley
You can't enter graphics here, sorry. I can't read what you intended.
8 years ago

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