Register
What is the coefficient of the term x7y in the expansion of (x + y)^8? a1 b8 c28 d56,
16.0k views
4 votes
What is the coefficient of the term x7y in the expansion of (x + y)^8?

a1
b8
c28
d56,

User Rene Xu
by
6.9k points

1 Answer

7 votes
The coefficient for x^7*y is equal to 8Choose7 which is 8!/7! which is 8, or answer b. Pascal's triangle may be used to capture this as well, or use the exponent as above.
User Dyllan
by
8.6k points
← Prev Question Next Question →

Related questions

User Jamie Bull
asked Feb 23, 2023 91.0k views
) What is the vertical asymptote for the rational function f(x)2x-523x + 6A) X = 2BB) x = }3.(x = -2D)x=-D56.
Jamie Bull asked Feb 23, 2023
by Jamie Bull
8.2k points
1 answer
5 votes
91.0k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!