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1. ### n and k are natural numbers. C: combination. Can you show: 1) (2n)C(n) is even; 2) (2n)C(2k-1) is also even if 1 =< k =< n?

...C(m,s−1) (2k−1)C(2n,2k−1) = (2n−2k+2)C(2n,2k−2) = 2(n−k+1)C(2n,2k−2) for n≥k≥1 (2k−1) is odd hence 2 | C(2n,2k−1)

2 Answers · Science & Mathematics · 13/07/2019

2. ### Do you prefer "ca" sounding female names starting with a letter C or K?

I think K names look stronger, but there are some traditional... spelled almost from the beginning with a C, such as Carolina, Christina, Cecilia and...

5 Answers · Pregnancy & Parenting · 02/06/2019

3. ### Prove (n, k) = (n, n - k)?

...n - k)! k!] That would mean: C(n, n - k) = n! / [(n - (n-k))! (n - k)!] C(n, n - k) = n! / [k! (n - k)!] C(n, n - k) = n! / [(n - k)! k!] Hence...

6 Answers · Science & Mathematics · 12/09/2019

4. ### What are your opinions on "ca" sounding names being spelled with the letter K when it's usually spelled with the letter C?

... each have colours and personalities - K is stand offish, 5 is a bully. I can... carried away in a private soap opera. C though is always classy, but then again, I'm...

7 Answers · Pregnancy & Parenting · 14/09/2019

5. ### What is the value of for this aqueous reaction at 298 K? A+B↽−−⇀C+DΔ°=16.83 kJ/mol?

... Δ° to J/mol and use R = 8.314 J/mol K. Then, 1.683X10^4 J/mol = - 8.314 J/molK (298...

1 Answers · Science & Mathematics · 17/07/2019

...the diagram, i.e. the -z direction. So the torque is -LTcosθ k. ________________________ C) |τ₁| = 9.1*399*cos(21°) = 3390 Nm to 3 sig. figs...

2 Answers · Science & Mathematics · 23/06/2019

7. ### So if men that drive gigantic pick up trucks to make up for something they're lacking (aka small c:o:c:k syndrome)...?

By that logic, anyone with a smart car has a HUGE c o c k.

5 Answers · Politics & Government · 31/05/2019

8. ### I’m looking for a band name. We are Punk rock/ska/metal and the name of our band has to have the word c*nt or k*nt in it. Any  ideas? ?

The Vacunts, Cuntenders, Cuntempters, Cuntortions, Cuntrarians, Cuntceptions, Cuntsolers, Cuntrified, Cuntverters, Cuntrasts, Cuntduits, Cuntainers...

6 Answers · Entertainment & Music · 20/10/2019

9. ### what is a "c o c k b l o c k"?

A boyfriend, a steady, or husband is considered a "cockblock". "Someone might say, "don't bother with her, she has a "cockblock".

5 Answers · Education & Reference · 28/12/2019

10. ### Yippi ka yay m o t h e r f u c k e r?

you're hanz gruber no tme

3 Answers · Science & Mathematics · 04/12/2019