subject
Mathematics, 15.12.2021 02:50 hermesrobles

If C(n, r) denotes the number of combination of 'n' things taken 'r' at a time then the expression C(n, r+1) + C(n, r-1) +C(2n, r)=?

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:50, abbz13
Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?
Answers: 2
image
Mathematics, 21.06.2019 19:30, autumnplunkett09
Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance
Answers: 1
image
Mathematics, 21.06.2019 22:00, danielahalesp87vj0
18 16 11 45 33 11 33 14 18 11 what is the mode for this data set
Answers: 2
image
Mathematics, 21.06.2019 22:30, hasshh
The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction
Answers: 2
You know the right answer?
If C(n, r) denotes the number of combination of 'n' things taken 'r' at a time then the expression C...

Questions in other subjects:

Konu
Mathematics, 15.10.2019 18:30