Question

Rezolvati :
4^n+4^n+1+4^n+2=41
Va rog frumos sa ma ajutati dau 20 puncte +coroana ! :((((((((((

Answer 1

[tex] 4^{n} + 4^{n+1} + 4^{n} + 2 =41 =\ \textgreater \ 4^{n}+ 4^{n} X 4^{1} + 4^{n} + 2=41 [/tex] => $4^{n}(1+1+1+2) =41 =\ \textgreater \ 4^{n} X 5 =41 =\ \textgreater \ 4^{n} = \frac{41}{5}$