Z każdego z poniższych wzorów wyznacz "k". F = (k+1)/k + a i = a/2 + 2/k

F = (k+1)/k + a k+1=Fk+Fa k-Fk= Fa-1 k(1-F)=Fa-1 k=Fa-1/1-F i = a/2 + 2/k i-a/2=2/k k(i-a/2)=2 k=2/(i-a/2)