dre7350 dre7350
  • 03-06-2019
  • Mathematics
contestada

find the coefficient of Y^2 in the expansion of (2x+y)^3

Respuesta :

gmany
gmany gmany
  • 03-06-2019

Step-by-step explanation:

[tex]\text{Use}\ (a+b)^3=a^3+3a^2b+3ab^2+b^3.\\\\\text{We have}\ (2x+y)^3\\\\=(2x)^3+3(2x)^2(y)+3(2x)(y^2)+y^3\\\\\text{The coefficient of}\ y^2\ \text{is}\ (3)(2)=6[/tex]

Answer Link

Otras preguntas

In which region would one be most likely to find additional evidence of the earliest human civilizations?   1.Asia  2.Europe  3.North America 4. South America
Why did the 13 american colonies oppose the sugar act, stamp act, and tea act
a dress that is normally costs 48.00 is on sale for 15% off. What is the sale price of the dress?
please help on this one?
Write an equation in slope-intercept form for this line. A line passes through the point (10,-7) and has a slope of -5/2
Please answer Correctly for brainly
How many square numbers are there between 1,000 and 2,000? What is a square number?
Which is the correct equation for the following graph? A.) Y = 3x – 5 B.) Y = -3x + 5 C.) Y = 1/3x – 5 D.) Y = 3x + 5
Which term best describes a typical Roman sculpture dedicating only the head and shoulders of a person
What is the answer to the question