A=6666−⋯−5−5−5:A=?
my try :
But I want to recurrence Sequence method!!
an+1=6an−5:a1=?
a2=6a1−5,
a3=6a2−5
???
thank you very much !
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
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