Policz który wyraz ciągu jest równy 5
(8n-1)/(3n-3)=5 /×(3n-3)
8n-1=5(3n-3)
8n-1=15n-15
-1+15=15n-8n
7n=14
n=14:7=2
drugi wyraz
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(8n-1)/(3n-3)=5 /×(3n-3)
8n-1=5(3n-3)
8n-1=15n-15
-1+15=15n-8n
7n=14
n=14:7=2
drugi wyraz