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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: In how many different ways the no 1440be expressed as product of 2 factors? answer is 26
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[Post New]3 Nov 2007 00:33:55 IST
    Subject: In how many different ways the no 1440be expressed as product of 2 factors? answer is 26
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kousik_paul (10)

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In how many different ways the no 1440 be expressed as product of 2 factors?  Give me answer. and explain how?
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[Post New]20 Dec 2007 22:38:46 IST
    Subject: Re:In how many different ways the no 1440be expressed as product of 2 factors? answer is 26
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chimanshu_007 (11349)

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sorry posted a wrong ans before...

well the factors are 25 . 32 . 5

total no. of ways in wich n can be resolved as a product of 2 factors =

1/2 (5+1)(2+1)(1+1) = 18 . 2 / 2 = 18
 
so ans is 18 + 1....N is nt a perfect sq


(POSTED THE NO. OF DIVISORS INSTEAD OF FACTORS)
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[Post New]23 Dec 2007 13:03:28 IST
    Subject: Re:In how many different ways the no 1440be expressed as product of 2 factors? answer is
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nadeemoidu (1184)

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[Post New]23 Dec 2007 18:18:36 IST
    Subject: Re:In how many different ways the no 1440be expressed as product of 2 factors? answer is 26
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tka (275)

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himanshu please explain how you simply multiply 1/2 (5+1)(2+1)(1+1)? what's the proof?






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