Questions and answers by

Zheng

Questions (9)

Find the $2 \times 2$ matrix $\bold{A}$ such that\[\bold{A} \begin{pmatrix} 1 \\ 0 \end{pmatrix} = \begin{pmatrix} 1 \\ 2
1. 2 answers
2. 3,361 views
Find the $2 \times 2$ matrix $\bold{A}$ such that\[\bold{A} \begin{pmatrix} 1 \\ 0 \end{pmatrix} = \begin{pmatrix} 1 \\ 2
1. 1 answer
2. 580 views
Find the $2 \times 2$ matrix $\bold{A}$ such that\[\bold{A} \begin{pmatrix} 1 \\ 0 \end{pmatrix} = \begin{pmatrix} 1 \\ 2
1. 1 answer
2. 565 views
Compute the distance between the parallel lines given by\[\begin{pmatrix} 1 \\ 4 \end{pmatrix} + t \begin{pmatrix} 4 \\ 3
1. 1 answer
2. 1,299 views
Latex:The vector $\begin{pmatrix} k \\ 2 \end{pmatrix}$ is orthogonal to the vector $\begin{pmatrix} 3 \\ 5 \end{pmatrix}$. Find
1. 2 answers
2. 2,639 views
The vector $\begin{pmatrix} k \\ 2 \end{pmatrix}$ is orthogonal to the vector $\begin{pmatrix} 3 \\ 5 \end{pmatrix}$. Find $k$.I
1. 1 answer
2. 571 views
(a) Suppose $x$ and $y$ are points on the unit circle such that the line through $x$ and $y$ intersects the real axis. Show that
1. 1 answer
2. 578 views
Let $\mathcal{G}$ be the graph of the parametric equations\begin{align*} x &= \cos(4t),\\ y &= \sin(6t). \end{align*}What is the
1. 3 answers
2. 1,196 views
Let $\mathcal{G}$ be the graph of the parametric equations\begin{align*} x &= \cos(4t),\\ y &= \sin(6t). \end{align*}What is the
1. 4 answers
2. 2,654 views