Math, asked by samruddhiborle26, 2 months ago

5.
If n is an odd positive integer, then n- 1 is always divisible by
(1) 6
(2) 10
(3) 8
(4) 16​

Answers

Answered by TaniyaArmy
1

Answer:

4Q² + 4Q = 4(2)² + 4(2) =16 + 8 = 24, it is also divisible by 8 . It is concluded that 4Q² + 4Q is divisible by 8 for all natural numbers. Hence, n² -1 is divisible by 8 for all odd value of n .

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