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![[Post New]](/templates/default/images/icon_minipost_new.gif) 19 Mar 2008 14:47:01 IST
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Caution: Radioactive Hazard |
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19 Mar 2008 14:49:42 IST
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m>10 is useless so m = 10 :D
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19 Mar 2008 15:02:02 IST
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Wrong !
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Caution: Radioactive Hazard |
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19 Mar 2008 15:06:31 IST
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then tell me the answer!!! There's no other go man :D m cannot be > 10, atleast do you agree on that???
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19 Mar 2008 15:15:10 IST
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Now we have 10Ci and 20Cm-i . of all the values of combinations of 10 10C5 is maximum ,similarly 20C10 is maximum ..now multipying these together wud produce a high value . thus both shud be attained simultaneously means m-5 = 10 so m = 15 ... thus we end up multiplying the big numbers with their counterparts ..
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19 Mar 2008 15:17:10 IST
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but for m> 10, 1st term becomes 0 accord to how he defined it EDIT: Found the mistake thanx :)
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19 Mar 2008 15:17:43 IST
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Sboosy is right !
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Caution: Radioactive Hazard |
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19 Mar 2008 15:21:49 IST
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xCy means selecting y objects from x objects
so 10C15 makes no meaning......
so radon tell where my logic is going wrong
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19 Mar 2008 15:22:47 IST
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but he already defined it as 0 :) so that is a valid thing :)
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19 Mar 2008 15:26:36 IST
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ohh i dinn c that ..thanks
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19 Mar 2008 15:46:32 IST
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(1+x)10=10C0+10 C1x?????10C10x10 (1+x) 20=20C0+20 C1x?????20C20x 20 MULTIPLY DEN EQUATE COEFF OF xr It?s a common proof dear u must have read =30C m Its max for m=15 Cheers !
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nobody is wrong
even a stopped clock is right twice a day |
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19 Mar 2008 15:53:31 IST
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the other..way..
solving the summation u get..
sum { 10Ci . 20Ci } (m-i is same as i as far as values of coeff r concerned)
now solving..
u will get max of 30Cm ..wic happens wen m is 15..
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Diamonds r formed under greatest pressures..
so r the champs.
Kriteesh..
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