Register
Find the coefficient of x3 in the expansion of (1+1/2x)(1 + 2x)8
75.4k views
5 votes
Find the coefficient of x3 in the expansion of (1+1/2x)(1 + 2x)8

User Shanika
by
3.4k points

1 Answer

5 votes

Answer:

8x^2 + 20x + 8

Explanation:

(8 + 4x) x (1 + 2x)

8 + 16x + 4x + 8x^2

8 + 20x + 8x^2

User David Arcos
by
3.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.5m questions

4.5m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Solve for x in the equation 3 x squared minus 18 x + 5 = 47. (I need this to be an answer like X=3+\_ square root 23)
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 189 watched TV 163 hung out with friends 29 watched TV and ate pizza, but did
Link Copied!