VectorsVectors (id: 6f38c72ad)

本题目来源于试卷: VectorsVectors，类别为 IB数学

[填空题]
Consider the followig)rn/11z4as p2)jlo w;uaggnng - 0c;b+9lbswlos)c irtwo planes:

$\begin{array}{ll}
\Pi_{1}: & x-5 y+3 z=10, \\
\Pi_{2}: & 2 x+6 y-z=12 .
\end{array}$


Find the acute angle between $ \Pi_{1}$ and $\Pi_{2}$ , giving your answer correct to the nearest degree.    $^{\circ}$

参考答案: 35


本题详细解析:

微信扫一扫，分享更方便