If 'n' is an odd positive integer, then 'n2-1' is always divisible by _____
(a)6 (b)10 (c)8 (d)16
Refer the link to answer:
https://www.meritnation.com/ask-answer/question/rnshow-that-n2-1-is-divisible-by-8-if-n-is-an-odd-positive/real-numbers/3349722
Follow solution 1 of above given link.
https://www.meritnation.com/ask-answer/question/rnshow-that-n2-1-is-divisible-by-8-if-n-is-an-odd-positive/real-numbers/3349722
Follow solution 1 of above given link.