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anonymous
 3 years ago
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anonymous
 3 years ago
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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0use d formula for n c r and do d simplification

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0is it ok if you show me, kinda new to this

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0n!/ 4! (n4)! + n!/ 5! (n5)!

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0n(n1)(n2)(n3)/24 + n(n1)(n2)(n3)(n4)/ 120

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0see... n!= 1.2.3.4....n

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0n!/ (n4)! = 1.2.3....(n4)(n3)(n2)(n1)n / (1.2.3....(n4))

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0so now u can solve ur problem....:)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0n(n1)(n2)(n3)/24 + n(n1)(n2)(n3)(n4)/ 120

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0i got that, but how do you simplify further?

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

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

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

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.016Cn +16C9 =17C9 16Cn+16C9=16C9 + 16C8 16Cn=16C8 n=8

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0use the identity nCr + nC(r1) = (n+1)Cr
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