bryamp8812 bryamp8812

25-11-2022
Mathematics

contestada

prove that the number of 2-by-n arrays xln ] x2n . that can be made from the numbers 1,2 ... ,2n such that xn < x12 < ... < xln , x21 < x22 < ... < x2n equals the nth catalan number, cn.

Respuesta :

Otras preguntas

Which word in the sentence is a direct object? "The fabric store sells 3,000 yards of fabric each week." A.) store B.) yards C.) week

the dimension of the edges in a right rectangular prism have the ratio 2:7:13. the volume of the prism is 1650 cm3. what is the length of the shortest side?

What is the unit rate per bottle if a pack of 25 bottles of juice sells for $5? $0.10 per bottle $0.20 per bottle $2.50 per bottle $5.00 per bottle

What is the measure of the ease of converting an asset into its full cash value? A.) volatility B.) liquidity C.) nominal rate D.) rate of return

Which of the following situations accurately describes a difference between a food chain and a food web? a. A carnivore receives 10% of the energy from it's pre

In the long run, potential growth in the economy and a rise in real GDP per capita might occur from all of the following except _____. A.) an increase in saving

How was William Shakespeare different from the poets and playwrights known as the University Wits? A.) He was educated at Cambridge University. B.) He went to

What is the movement in the 18th century that focused on reason and scientific thought, and was marked by a renewed interest in classical civilizations? a. age

Why did General Longstreet urge Lee not to continue the Battle of Gettysburg?

Which of these are lost when the body perspires? Oxygen and calcium Calcium and sodium Sodium and potassium Potassium and oxygen