an = 3n / (n + 2)
a1 = 3*1 / (1 + 2) = 3/3 = 1
a2 = 3*2 / (2 + 2) = 6/4 = 3/2 = 1 i 1/2
a3 = 3*3 / (3 +2) = 9/5 = 1 i 4/5
a4 = 3*4 / (4 +2) = 12/6 = 2
a5 = 3*5 / (5 + 2) = 15/7 = 2 i 1/7
an = 3n/n+2
podstawiamy za n 1,2,3,4,5
a1=3/3=1
a2=6/4=3/2
a3=9/5=1 4/5
a4=12/6=2
a5=15/7=2 1/7
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an = 3n / (n + 2)
a1 = 3*1 / (1 + 2) = 3/3 = 1
a2 = 3*2 / (2 + 2) = 6/4 = 3/2 = 1 i 1/2
a3 = 3*3 / (3 +2) = 9/5 = 1 i 4/5
a4 = 3*4 / (4 +2) = 12/6 = 2
a5 = 3*5 / (5 + 2) = 15/7 = 2 i 1/7
an = 3n/n+2
podstawiamy za n 1,2,3,4,5
a1=3/3=1
a2=6/4=3/2
a3=9/5=1 4/5
a4=12/6=2
a5=15/7=2 1/7