The difference of cubes of two consecutive numbers is always divisible by 3.
True
False
Take two numbers, for example, 2 and 1 and check.
The difference of cubes of 2 and 1 is 7, which is not divisible by 3.
The difference of cubes of two concecutive numbers is always divisible by 3.
The difference of cubes of two concecutive numbers is always divisible by 3. Is the given statement always true?
Prove that the sum of cubes of three consecutive natural numbers is always divisible by 3.