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virtus Group TitleBest ResponseYou've already chosen the best response.0
\[nC4 + nC5\]
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
use d formula for n c r and do d simplification
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
nCr= n!/ r! (nr)!
 2 years ago

virtus Group TitleBest ResponseYou've already chosen the best response.0
is it ok if you show me, kinda new to this
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
n!/ 4! (n4)! + n!/ 5! (n5)!
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
n(n1)(n2)(n3)/24 + n(n1)(n2)(n3)(n4)/ 120
 2 years ago

virtus Group TitleBest ResponseYou've already chosen the best response.0
i still can't see it
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
see... n!= 1.2.3.4....n
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
n!/ (n4)! = 1.2.3....(n4)(n3)(n2)(n1)n / (1.2.3....(n4))
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
so now u can solve ur problem....:)
 2 years ago

virtus Group TitleBest ResponseYou've already chosen the best response.0
n(n1)(n2)(n3)/24 + n(n1)(n2)(n3)(n4)/ 120
 2 years ago

virtus Group TitleBest ResponseYou've already chosen the best response.0
i got that, but how do you simplify further?
 2 years ago

virtus Group TitleBest ResponseYou've already chosen the best response.0
LOL @hba looks like you have no choice but to help this damsel in distress
 2 years ago

hba Group TitleBest ResponseYou've already chosen the best response.0
@virtus i dont think so lol
 2 years ago

virtus Group TitleBest ResponseYou've already chosen the best response.0
16Cn +16C9 =17C9
 2 years ago

virtus Group TitleBest ResponseYou've already chosen the best response.0
why not @hba
 2 years ago

hba Group TitleBest ResponseYou've already chosen the best response.0
Its been along time ive studied it and i dont want to get you into another confusion :(
 2 years ago

virtus Group TitleBest ResponseYou've already chosen the best response.0
OH LOL ok then
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
16Cn +16C9 =17C9 16Cn+16C9=16C9 + 16C8 16Cn=16C8 n=8
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.2
use the identity nCr + nC(r1) = (n+1)Cr
 2 years ago
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