show that one and only one out of n,n+t2 or n+4 is divisible by 3, where n is any positive integer
Share
show that one and only one out of n,n+t2 or n+4 is divisible by 3, where n is any positive integer
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Verified answer
Answer:
n+2 = 3q+2+2 =3q+4 = 3(q+1)+1 is not divisible by 3. n+4 = 3q+2+4 = 3q+6 = 3(q+2) is divisible by 3. thus one and only one out of n , n+2, n+4 is divisible by 3. hope this helps you.