+0  
 
0
120
1
avatar

The function f(n) = 3f(n-2) - f(n-1), where f(2) = 3 and f(1) = -1. What is the value of f(5)?

 Dec 15, 2020
 #1
avatar+25658 
+1

function

 

\(f_3=-f_2+3f_1=-3+3*(-1)=-6\\ f_4=-f_3+3f_2=6+3*3=15\\f_5=-f_4+3f_3=-15+3*(-6)=-33\)

 

laugh

 Dec 17, 2020

21 Online Users

avatar
avatar