Question

monotonicznosc ciagow:

Answer 1

1]

a₁=(1-1)/(1+2)=0

a₂=(4-1)/(2+2)=¾

a₃=(9-1)/(3+2)=8/5

ciąg jest rosnacy

2]

a₁=[2+3]/[1+1]=5/2

a₂=[4+3]/[2+1]=7/3

a₃=[[6+3]/[3+1]=9/4

ciag jest malejacy