Question

n² - 1 if divisible by 8 if an is
(a) aninteger
(b) a natural number
(c)An odd number
(d) an even number ​

Answer 1

If the answer is (a) then 2^2=4 4-1=3 and 8 is not divisible by 3.

if the answer is (b) then same of above because two is also a natural number

if the answer is (c) then 7^2=49 49-1=48 divisible by 8

if the answer is (d) then it will apply the same concept used in option a therefore the answer is C an odd number n is an odd number

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