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if ab is one less than a multiple of 24, show that a+b must be an exact multiple of 24

if ab is one less than a multiple of 24, show that a+b must be an exact multiple of 24
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Math-8214860.doc

if ab is one less than a multiple of 24, show that a+b must be an exact multiple of 24
Solution:
ab = 24k ­ 1, so a = (24k­1)/b
So now we must show that (24k­1)/b + b is congruent to 0 mod 24....

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