Question

If n is a positive odd integer, then show that n²-1 is divisible by 5.
answer fast​

Answer 1

Answer:

n=9

Step-by-step explanation:

n^2-1÷5.

n as 9.

9^2-1÷5=81-1÷5=16.

Answer 2

Answer:

n-9

n=2-1÷5

n =9

and

n=9=2-1/5 82-1/5= 16