jishajiya jishajiya

02-05-2021
Mathematics

contestada

Find the coefficient of x^2 in the expansion of (2x - 1)^5.

Respuesta :

tanny00 tanny00

02-05-2021

Answer:

So, the coefficient of the x^2 -term is 80

Step-by-step explanation:

so we need to simplify it:

#10(x^2)(2^3) = 10(x^2)(8) = 80x^2

Answer Link

Otras preguntas

Which type of twins are likely to interact with each other in the womb a. Non-identical b. Identical c. neither

In the top row of an chessboard, Tom writes the values 1, 2, 4, 8, 16, 32, 64, 128. In the leftmost column, Tom writes the values 1, 3, 9, 27, 81, 243, 729, 2

what group was successful in achieving its goals at the congress of vienna , nationalists conservatists liberals or anarchists?

A hiking club has 9 members. How many ways can they choose a president, vice president, secretary, and treasurer from among the members?

What are some 5th grade science words that start with y

Which sentence correctly forms the plural of the letter c? A.How many c's are in accordion? B.How many cs'

in what situation does friction make an object change its shape

The fetus is nourished by the __________ during the first 7 weeks and by the _______ from week 8 through birth ?

Which sentence correctly forms the plural of the letter R? A. Three R's make up her initials.

Patrick ate 3/5 of a small pizza on Friday night. For lunch on Saturday , he ate 1/2 of the leftover pizza. How much pizza did he eat for lunch on Saturday?