littlegenesis2 littlegenesis2

19-07-2016
Mathematics

contestada

A geometric sequence is defined by the explicit formula an=5(-4)^n-1 what is the recursive formula for the nth term of this sequence?

Respuesta :

19-07-2016

Hello,

[tex] a_{n}=5*(-4)^{n-1}\\ a_{n-1}=5*(-4)^{n-2}\\\\ \dfrac{a_{n}}{a_{n-1}}=(-4)^{n-1-(n-2)}=-4\\\\ Formula\ is\ :\\ a_{n}=-4*a_{n-1}\\ a_{1}=5\\ [/tex]

Answer Link

Otras preguntas

A wildlife manager determines that there are approximately 200 deer in a certain state park. a. The population is growing at a rate of 7% per year. How many dee

At a large university, the probability that a student takes calculus and is on the dean's list is 0.042. the probability that the student is on the deans list i

A line passes through (2, −1) with slope -8.

What is 5x8-(16-4 divided by 2)?

Part of $3000 is invested at 12%, another part at 13%, and the remainder at 14%. The total yearly income from the three investments is $400. The sum of the amou

what is the integral of y'sinx=ylny ...?

Read the excerpt from chapter 25 of The Awakening. Or else she stayed indoors and nursed a mood with which she was becoming too familiar for her own comfort an

Objects that are positively charged will

What is equivalent fraction of 28/36?

A radioactive substance decays exponentially. A scientist begins with 130 milligrams of a radioactive substance. After 24 hours, 65 mg of the substance remains.