1. In how many ways can you write the number 4 as the sum of 5 nonnegative integers?
2. Prove the inequality :
n C k is less or equal to n C [n/2]
for k = 0, . . . , n.
thanks a lot !!
thanks ! but can't i have the answer for both cases ! it's all what the question says, so i assume maybe we should write down th eanswer for both cases !!
for the second one i corrected it ! so u should be able to understand it now !! and pleaaase help !!