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[Post New]21 May 2007 21:23:27 IST
    Subject: Re:How to calculate rational terms????????
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joyfrancis (1504)

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Hi.
general term
45Cr * 2((45-r)*1/5) * 3 r/10
For rational terms the powers should be integers
9 -r/5 and r/10 both should be integers
so, r=0,10,20,30,40
number of rational terms are 5
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