Mathematics, 29.06.2019 22:40 prasiddhipawani
Prove the identity $n r %$r k % = $n k %$n−k r−k % , whenever n, r, and k are nonnegative integers with r ≤ n and k ≤ r, a. using a combinatorial argument. b. using an argument based on the formula for the number of r-combinations of a set with n elements
Answers: 2
Mathematics, 22.06.2019 07:00
Calculate ∬y da where r is the region between the disks x^2+y^2 < =1 & x^2+(y-1)^2 < =1 show all work. (also explain why you split up the regions)
Answers: 3
Mathematics, 22.06.2019 08:30
Draw a shape pattern that follows the rule that shapes go back and forth between three sides and zero sides
Answers: 2
Prove the identity $n r %$r k % = $n k %$n−k r−k % , whenever n, r, and k are nonnegative integers w...
Mathematics, 24.07.2020 21:01
Mathematics, 24.07.2020 21:01
Mathematics, 24.07.2020 21:01
Mathematics, 24.07.2020 21:01