Question 1202b

Vectors I: Basics, Dot and Cross Products
Perpendicular Vectors

Question

Given that the vectors (541){\begin{pmatrix} - 5 \\ 4 \\ - 1 \end{pmatrix}} and (p14){\begin{pmatrix}p\\1\\4\end{pmatrix}} are perpendicular, what is the value of p?{p?}

Attempt

p={p= }

Answer

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