4-52 할리데이 11판 솔루션 일반물리학

$$ \begin{cases} \vec r_1 &= 6.0\i-5.0\j+2.0\k\ut{m}\\ \vec r_2 &= -4.0\i+6.0\j+2.0\k\ut{m}\\ \end{cases} $$ $$\ab{a}$$ $$ \begin{aligned} \Delta \vec r&=\vec r_2-\vec r_1\\ &=10\i-11\j\ut{m} \end{aligned} $$ $$\ab{b}$$ $$ \begin{aligned} \Delta \vec r&=\vec r_2-\vec r_1\\ &=10\i-11\j\ut{m}\\ \end{aligned} $$ $$ \begin{aligned} C_1(11x+10y)+C_2z=0 \end{aligned} $$