Combinatorics | Number Theory Answers

If there are three roads from Goshen to Gravette and two roads from Gravette to Tontitown, how many ways are there to go from Goshen to Tontitown through Gravette?

 Design a single error correcting code for m=3 & n=7

Set up a number pattern with six terms for square numbers

Prove that if a1 and a2 are units modulo m, then a1 a2 is unit modulo m?

Prove that if a1 and a2 are units modulo m, then a1 a2 is unit modulo m?

4C2 is equal to _____________

Proof of rational points on the general form of conic sections?