johnyreyes17 johnyreyes17

12-03-2018
Mathematics

contestada

when using the binomial formula which of the following is the correct step in the expansion of (x+y)^4

Respuesta :

12-03-2018

The binomial formula is the following:
[tex](x+y)^4=\Sigma_{k=0}^4C_4^kx^ky^{4-k}\\=y^4+xy^3C_4^1+x^2y^2C_4^2\\+x^3yC_4^2+x^4\\=y^4+4xy^3+6x^2y^2+4x^3y+x^4[/tex]
We have used the formula:
[tex]C_4^k=\dfrac{4!}{(4-k)!k!}[/tex]
k goes from 0 to 4.

Answer Link

Otras preguntas

Alcohol is called an. Because it slows the central nervous systems ability to function

solve for x. -2 - x = -10

line k has a slop of -5. Line J is perpendicular to line K and passes through the point (5,9). Create the equation for line j.

16) Cells that elongate their cell walls prior to septation and septate in parallel planes will form Choose one: A. tetrads of rods (bacilli).  B. chains of

What area of Europe was under Charlemagne's Empire?

A cow is tethered by a 120-ft rope to the inside corner of an L-shaped building, as shown in the figure. Find the area that the cow can graze. (Let a = 10 ft,

If you want water to flow out of a dialysis bag filled with a 50% sucrose solution, what would be the minimum concentration of the beaker solution need to be?

Graph the equation by plotting three points. If all three are correct, the line will appear. 2y= 5x + 11

song with 8 literary devices

a program which has been loaded has had its code moved from the hard drive to the