Let S be a characteristic surface for which S {(x, y, z):
Chapter 9, Problem 1(choose chapter or problem)
Let S be a characteristic surface for which S {(x, y, z): t = 0} is the sphere{x2 +y2 +z2 =a2}. Describe S geometrically.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer