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Divisibility Rule for 8

If n is an od...

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If n is an odd positive integer, then n2 – 1 is always divisible by 8 with help of 2n+1. options (1) 6 (2) 10 (3) 8 (4) 16

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n

is an odd positive integer, then

n^{2} - 1

is always divisible by

n^{2} - 1

is divisible by

8

, if n is an odd positive integer.

n

is an odd integer then show that

n^{2} - 1

is divisible by 8

Q. Question 6
If n is an odd integer, then show that

n^{2} - 1

is divisible by 8.

P^{2} - 1

is always divisible by (if P is an odd positive integer)

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Divisibility Rule for 8

Standard VI Mathematics

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