Algebra

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Blazing goIITian

Joined: 25 Jul 2011
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28 Mar 2012 21:20:48 IST
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Prove it guyz!!!
Engineering Entrance , JEE Main , JEE Main & Advanced , Mathematics , Algebra

The least common multiple of positive integers abc, and d is equal to a+b+c+d. Prove that abcd is divisible by at least one of 3 and 5.



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Hot goIITian

Joined: 10 Oct 2011
Posts: 120
28 Mar 2012 21:53:26 IST
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simple brute force method cant type here man sorry can mail you later macha


Hot goIITian

Joined: 10 Oct 2011
Posts: 120
28 Mar 2012 22:00:32 IST
0 people liked this

sorry man you wil get cases in this questionyou assume this way 

so case will be a,2a 3a

sathyaram's Avatar

Blazing goIITian

Joined: 25 Jul 2011
Posts: 322
28 Mar 2012 22:06:19 IST
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Its ok machan..u post it later dude..:)



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