How do i evaluate :
∞∑n=1n3xn−1
The answer is supposed to be: (according to wolfram alpha)
x2+4x+1(x−1)4
I have only learned to to this for simpler geometric sums.
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
No comments:
Post a Comment