siennaforstiep7s2uv siennaforstiep7s2uv

26-04-2018
Mathematics

contestada

Find a general term a(n) for the geometric sequence: a(3)=2, a(6)=1/4

Find a general term an for the geometric sequence a32 a614 class=

Respuesta :

popalabdulqayou popalabdulqayou

06-05-2018

a_n=arⁿ⁻¹

a_n nth term sequence

a= first term of the sequence

r= common ratio

a₃=ar²

2=ar²

a₆=ar⁵

1/4=ar⁶

a=2/r²

1/4=r⁶/r²

1/4=r⁴

r=1/(4)^(1/4)

a=1/r²=1/(1/(4)^(1/4))^(2)=1/1/2= 2

a_n=2{1/(4)^(1/4)}ⁿ⁻¹

Answer Link

Otras preguntas

Describe Mao Zedong’s guerrilla tactics.

the longest subdivision in geologic time is

factor the expressions completely 8y 36 4(2y-9) 2(4y-18) -4(2y+9) 8(y-4)

What is the area of this face?

What mathematical concept did the Islamic cultures borrow from India?

A worm travels 1,250 millimeters. How many meters did the worm travel?

What is the sum of all the prime numbers between 300 and 320?

Calculate the average atomic mass of chromium. It's composition is: 83.79% with a mass of 51.94 Amy; 9.50% with a mass of 52.94 amu; 4.35% with a mass of 49.95

how is the borrowing power related to the taxing power?

Which was an African craft preserved in South Carolina by enslaved people? baskets woven of grass the Gullah language fine quilts the banjo