dre7350 dre7350

03-06-2019
Mathematics

contestada

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

Respuesta :

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

Ethnic conflict is common in Sub-Saharan Africa because: _____. colonizers created homogeneous regions colonizers established political borders without consider

compare sonnet 43 to any modern love song of your choice and identify the differences in their expression of love

Which expression is equivalent to 1/2 (2+ 3x – 6)? 3x - 5 3/2x - 5 3x – 4 3/2x - 2

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −7 0 −1 1 5 g(x) g(x) = 5x − 4 Part A: Write a sentence

The use of ladybugs and praying mantises to consume insect pests in gardens is an example of

A regular polygon is defined to be a(n) _____ polygon with congruent sides and congruent angles

A significant drop in performance in cognitive areas such as memory and reading may __________.

Which transformation is a rigid transformation?

Sometimes you to ___ some points to get a good approximation of the location of extreme values

A metaphor of human-computer interaction (hci) in which interacting with the computer, is much like carrying on a conversation is called ____.