If n is a positive integer and r is the remainder when (n-1)(n+1) is divided by 24, what is the value of r?(1) n is not divisible by 2(2) n is not divisible by 3OPEN DISCUSSION OF THIS QUESTION IS HERE: if-n-is-a-positive-integer-and-r-is-the-remainder-when-n-126393.html [Reveal]