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

name at least 4 things our atmosphere does for us
Point A is translated left 3 units and up 2 units. What rule describes this translation?
Calculate moles of naoh 38.18ml of 0.550M
What is isolationism??
1. How would temperature changes in the atmosphere, enough to melt Antarctic ice, affect the hydrosphere, lithosphere, and biosphere
A __________ is a two-part process. one part explains what an employee would actually do at various jobs.
60 POINTS which part of the skeleton helps produces cells
what is at the southwest corner of third and market
What is the sum of 3 tens and 9 hundreds?
20 points!!!!!PLEASE EXPLAIN HOW TO DO THIS EXPLAIN Complete the equation for the linear function whose graph contains the points (2, 5) and (3, 0). y −____