show that 9n-1-8n-9 is divisible by sixty four where n is a positive integer
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numbers divisible by 64 are
64=64×1
128=64×2
640=64×10
any number is divisible by 64= 64×natural number
hence, in order to show that 9^(n+1) -8n-9 is divisible by 64
we have prove that
9^(n+1) -8n-9=64k
where k is some natural number
64=64×1
128=64×2
640=64×10
any number is divisible by 64= 64×natural number
hence, in order to show that 9^(n+1) -8n-9 is divisible by 64
we have prove that
9^(n+1) -8n-9=64k
where k is some natural number
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