keldr5783 keldr5783
  • 08-03-2024
  • Mathematics
contestada

There are (n+1) white and (n+1) black balls, each set numbered from 1 to n+1. The number of ways in which the balls can be arranged in a row so that the adjacent balls are of different colours is
A (2n+2)!
B [(n+1)!]2
C 2[(n+1)!]2
D (n+1)!

Respuesta :

Otras preguntas

Contrast elastic potential energy and chemical potential energy
How many essential amino acids must be obtained from food?
In 1998, approximately what percent of the total worldwide HIV infections were found in sub-Saharan Africa? 10% 50% 70%
how does the concentration of a hydrogen ion affect the ph levels of a substance?
what did malcom x belive
Which sentence does not contain any punctuation errors? A.We were late to the party, nevertheless we had fun. B.We were late to the party; nevertheless we had f
1. What are key markers for the identification of Bacteria? ⁻ Peptidoglycan in cell membranes, ether-linked fatty acids, Special transcription DNA ⁻ Special RNA
In tan A = 7/9 the measure of
What does (quieres hacer mi novia) mean? {I know what it means i just want people to learn more spanish}
A deficiency of _______ can lead to anemia. a. magnesium b. sodium c. potassium d. iron