1. (a) Define the sequence Co, C1, ... by the equations Co= 0 and Co=96/21 +3 for all n > 0. Prove that
Cs2n for all n 2 3.
(b) Prove that any positive integer N is divisible by 11 if and only if the difference between the
sum of odd digits and the sum of even digits is divisible by 11.​

c. (3,2,6) is the answer.

the answer is b.)

< 1=< 2

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

6/20

step-by-step explanation: