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

Please help me with this question
In what manner was the way Suleiman appointed his courts and officials revolutionary for the times ?
Based on "The Origin of the Robin," which statement best illustrates the Ojibwa view on an individual's growth and change? Growth and change occur as a result o
what is the greatest common factor of 14 and 22​
Please help me with these questions!
Which of the tables represents a function? Table A 3 1 3 4 2 3 Table B 2 7 5 6 2 9 Table C 1 5 7 2 7 3 Table D 3 4 1 5 8 5 All other answers of this question th
Which type of organism can produce energy from sunlight? A: carnivore B: heterotroph C: omnivore D: autotroph
what is most important in a representive democracy
know your computer unit 1​
What are examples of molecules in cooking?