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 :

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

What event destroyed the career of Edwin Edwards? A. Mental illness caused by the stress of serving multiple terms as governor B. Failure to support the Civil R

A transfer of heat within a liquid or gas that involves warm particles moving in currents is a convection. b connection. c correction. d conduction.

name 2 ways forelimbs are different than hind limbs.

change to fraction 336%

what is the simplest form of 0.3

why does the burning of magnesium ribbon start the reaction between iron oxide and aluminium when making iron?

what is thirty percent of two hundred ?

In what state did Reconstruction last the longest?

Help me plz! Which organism is the herbivore in this food web? A. leopard seal B. orca C. zooplankton D. cod

elevilor din cercul de ceramica li s-au distribuit 4 kg de lut,cite 200g fiecaruia. cite fete si citi baieti sint,daca fete sint cu 2 mai putine decit baieti?