fredjack fredjack
  • 03-12-2018
  • Mathematics
contestada

find the 4th term of (x-y)12

Respuesta :

Аноним Аноним
  • 03-12-2018

Answer:

-66 x^9 y^3

Step-by-step explanation:

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

so the 4th term of (x - y)^12

= 12C2 x^(12-3) (-y)^3

= 66 x^9 (-y)^3

= -66 x^9 y^3   (answer)

Answer Link

Otras preguntas

The old containers of laundry detergent hold 50 ounces. The new containers hold 20% more than the old containers.How many ounces do the new containers hold?
Suppose k=f(z) and z=f(x) then x=?
A ball player catches a ball 3.24 s after throwing it vertically upward.With what speed did he throw it?
What can be said about the Babylonians attitudes towards family?
what effect did the prominence of death and disease had on the colonists
Why where people dissatisfied with Hinduism
Inflammation can be local or systemic. what are the most prominent systemic manifestations of inflammation? mark all that apply.
One liter of a solution ph 9 has how many more hydroxide ions (oh-) than 1 l of a solution of ph 4?
What document forbade the king of england from declaring martial law during peacetime?
What are the challenges of empire and what is the usual result?