(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

X={4^n-3n-1/ n belongs to N}

Y={9(n-1)/ n belongs to N }

2. Relevant equations

then,

XUY is equals to X or Y or N or None of these

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: X,Y are polynomials of n, and n is an element of N, then

**Physics Forums | Science Articles, Homework Help, Discussion**