a) Let a,n,m be natural numbers, a>1. Prove that if (am+1) is divisible by (an+1) than m is divisible by n. b) Let a,b,n,m be natural numbers, a>1,a and b are relatively prime. Prove that if (am+bm) is divisible by (an+bn) than m is divisible by n. number theoryrelatively primedivisible