16-07-2020
Mathematics

contestada

The coefficient of x in the expansion of the following is (x+3)^3 a) 1 b) 3 c) 18 d) 27 e) 9

Respuesta :

sqdancefan sqdancefan

19-07-2020

Answer:

d) 27

Step-by-step explanation:

The expanded form of (a+b)³ is ...

(a +b)³ = a³ +3a²b +3ab² +b³

When we are expanding (x +3)³, the x-term is ...

3(x)(3²) = 27x

The coefficient of x in the expansion is 27.

Answer Link

Otras preguntas

Select the sentence containing the gerund. Playing the piano takes skill. The girl playing the piano is skilled.

wind is caused mainly by air pressure difference that result from

write an equation in slope - intercept form passing through (2,5); slope 3 over 4

Find the slope of the line whose equation is 4x - 6y = 8. a. 2/3 b. -2/3 3/2

Modern artists are not influenced by art from the past at all. True False

Suavis : assuage :: a. dolere : condole b. zelos : volition c. jocus : fete d. festus : jocular

What is the purpose of the Electronic Funds Transfer Act?

What does the Ninth Amendment ensure?

In order to obtain a Child Development Associate credential, you must a. demonstrate certain competencies. b. have a specified number of years of experience.

Do sloths live alone?