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akash123Best ResponseYou've already chosen the best response.2
use d formula for n c r and do d simplification
 one year ago

virtusBest ResponseYou've already chosen the best response.0
is it ok if you show me, kinda new to this
 one year ago

akash123Best ResponseYou've already chosen the best response.2
n!/ 4! (n4)! + n!/ 5! (n5)!
 one year ago

akash123Best ResponseYou've already chosen the best response.2
n(n1)(n2)(n3)/24 + n(n1)(n2)(n3)(n4)/ 120
 one year ago

akash123Best ResponseYou've already chosen the best response.2
see... n!= 1.2.3.4....n
 one year ago

akash123Best ResponseYou've already chosen the best response.2
n!/ (n4)! = 1.2.3....(n4)(n3)(n2)(n1)n / (1.2.3....(n4))
 one year ago

akash123Best ResponseYou've already chosen the best response.2
so now u can solve ur problem....:)
 one year ago

virtusBest ResponseYou've already chosen the best response.0
n(n1)(n2)(n3)/24 + n(n1)(n2)(n3)(n4)/ 120
 one year ago

virtusBest ResponseYou've already chosen the best response.0
i got that, but how do you simplify further?
 one year ago

virtusBest ResponseYou've already chosen the best response.0
LOL @hba looks like you have no choice but to help this damsel in distress
 one year ago

hbaBest ResponseYou've already chosen the best response.0
@virtus i dont think so lol
 one year ago

hbaBest 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 :(
 one year ago

akash123Best ResponseYou've already chosen the best response.2
16Cn +16C9 =17C9 16Cn+16C9=16C9 + 16C8 16Cn=16C8 n=8
 one year ago

akash123Best ResponseYou've already chosen the best response.2
use the identity nCr + nC(r1) = (n+1)Cr
 one year ago
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