Question

n^2 - 1 is divisible by 8. If n is
(a) an integer
(b) a natural number
(C) an odd number
(d) an even number​

Answer 1

Answer: (C)

Step-by-step explanation: If n² - 1 is divisible by 8, it is an even number.

If n²-1 is even, n² will be odd

n² can only be odd if n is an odd number

So the answer is (C)

Answer 2

Answer:

Step-by-step explanation:

integers means it should be: - 3 or 9

natural number:    3

odd number 3

even nuber is not possible  

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