Question: 9. Prove that if a is an integer that is not divisible by 3, then (a + 1) (a + 2) is divisible by 3

9. Prove that if a is an integer that is not divisible by 3, then (a + 1) (a + 2) is divisible by 3
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
