Question: 1. Find the coefficient of x5y5 in (x+y)10.
2. Find the coefficient of the monomial containing c3 in (5b2 -4c)4.
3. Compute, by hand, a numerical value for.
4. Check out the octahedron in Figure.
(a) How many vertices does it have?
(b) How many edges are there touching each vertex?
(c) Using your previous two answers, compute how many edges there are, total.
