If an and bn are positive integers and a...

If `a_n` and `b_n` are positive integers and `a_n+sqrt(2)b_n=(2+sqrt(2))^n ,t h e n(lim)_(x->oo)((a_n)/(b_n))=` a. 2 b. `sqrt(2)` c. `e^(sqrt(2))` d. `e^2`

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