Question

n²-1 is divisible by 8, if n is a) an integer b) a natural no. c) an odd integer d) an even integer plsss ans. fast and no need of steps.

Answer 1

Answer:

a) an integer

Step-by-step explanation:

Show that n2−1 is divisible by 8, if n is an odd positive integer. Any odd positive number is in the form of (4p+1)or(4p+3) for some integer P. Therefore, n2−1 is divisible by 8 if n is an odd positive integer.

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