grantonio12343
grantonio12343 grantonio12343
  • 01-10-2016
  • Mathematics
contestada

Find the pattern and use it to list the next two terms in the sequence.

3, -6, 18, -72, 360, -2,160,___,___.

Respuesta :

caylus
caylus caylus
  • 01-10-2016
Hello,

[tex] u_{1} =3=3*1=3*1!*(-1)^{1-1}\\\\ u_{2} =-6=3*(-2)=3*2!*(-1)^{2-1}\\ u_{3} =18=3*3!*(-1)^{3-1}\\ u_{4} =-72=3*4!*(-1)^{4-1}\\ u_{5} =360=3*5!*(-1)^{5-1}\\ u_{6} =-2160=3*6!*(-1)^{6-1}\\ u_{7} =15120=3*7!*(-1)^{7-1}\\ u_{8} =-120960=3*8!*(-1)^{8-1}\\\\ \boxed{ u_{n} =3*n!*(-1)^{n-1}}\\ [/tex]
Answer Link

Otras preguntas

help will be appreciated ty :)
Which of the following statements about the Internet is true? a. The Internet requires all communications to use encryption protocols. b. The Internet uses a ce
please help me please will give brainliest no links or will be reported ​
Find the surface area of the following triangular pyrarnid using the net. Each triangle is congruent, with a base of 7 ftand a height of 6ft.
30. Consider the diagram below. Solve for x.
Given that x = 7.4 m and 0 = 26°, work out AB rounded to 3 SF.BoAСx хThe diagram is not drawn accurately.AB =m​
the question is in the screenshot
PLEASE HELP FAST What is the probability of rolling two dice and getting a sum that is a multiple of 5 or rolling doubles (dice land on the same number)?
Write a MIPS assembly language program that prompts for a user to enter a series of floating point numbers and calls read_float to read in numbers and store the
Which equation models a proportional relationship with the unit rate of 3? Y = 3 Y = 3x Y = x+3 Y = 3x + 3