unneice unneice

09-12-2018
Mathematics

contestada

5th term in expansion of (x-2)^7

Respuesta :

Аноним Аноним

09-12-2018

Answer:

560x^3

Step-by-step explanation:

The formula is

(r + 1)th term of (a + x)^n = nCr a^(n-r)x^r

So 5th term = (4 + 1)th term

= 7C4 x^(7-4) (-2)^4

= 35x^3*16

= 560x^3

Answer Link

Otras preguntas

what functions do proteins,carbohydrates, lipids and nucleic acids perform

what functions do proteins,carbohydrates, lipids and nucleic acids perform

name the five types of sentences..

name the five types of sentences..

name the five types of sentences..

what functions do proteins,carbohydrates, lipids and nucleic acids perform

name the five types of sentences..

name the five types of sentences..

what functions do proteins,carbohydrates, lipids and nucleic acids perform

what functions do proteins,carbohydrates, lipids and nucleic acids perform