Section Solutions
¶Cross Products
\((\pi - 6, 7, 3\pi - 4)\)
\(\dsp \pm \frac{1}{\sqrt{933}}( -1, 16, 26)\)
Planes
\(3x+y + 2z = 6\)
\((4,10,0) + (-2, -10,4)t\) (infinitely many other ways to write this one line; check yours by substituting it into each plane)
\(z-x=2\)
\(\dsp \frac{10}{\sqrt{38}}\)