littlegenesis2
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 :

caylus
caylus caylus
  • 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

What is pie times 13 squared
What is three tenths plus three fifths
You decide to add up all the work you did yesterday. If you accomplished 10,000 newton·meters of work yesterday, how much work did you do in units of joules?
The Red Scare began after _________
What is pie times 13 squared
Last Saturday, the MoviePlex Iheater sold 1,456 tickets. The theater sold 6 times as many regular price tickets as it sold discount tickets. Earl says the expre
a) solve 4(y-7) = 13b) make t the subject of the formula P =4t - 3
What is an enzyme that changes peptides to amino acids?
What is the decimal and percent of 8/8
Successive discounts of 20% and 12% are equivalent to a single discount of: