Question

n- 1 is divisible by 8, if n is
a) Prime numbers b) Odd integ
c) Even integer
d) Natural n
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Answer 1

Answer:

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

Step-by-step explanation:

please follow

Answer 2

Answer:

IF n IS

(c) ODD INTEGER, NATURAL NUMBER

Step-by-step explanation:

n = 9

n — 1

9 — 1

= 8

8/8

= 1

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