The unit normal vector n ̂ of the cone of revolution z2 = 4(x2 + y2) at the Point P (1, 0, 2) is?
Posted: Thu Jul 14, 2022 9:41 am
a) \([±\frac{2}{\sqrt{5}}, 0, ∓\frac{1}{\sqrt{5}}] \)
b) \([\frac{2}{\sqrt{5}}, 0, \frac{1}{\sqrt{5}}] \)
c) \([-\frac{2}{\sqrt{5}}, 0, -\frac{1}{\sqrt{5}}] \)
d) \([∓\frac{2}{\sqrt{5}}, 0, ±\frac{1}{\sqrt{5}}] \)
b) \([\frac{2}{\sqrt{5}}, 0, \frac{1}{\sqrt{5}}] \)
c) \([-\frac{2}{\sqrt{5}}, 0, -\frac{1}{\sqrt{5}}] \)
d) \([∓\frac{2}{\sqrt{5}}, 0, ±\frac{1}{\sqrt{5}}] \)