若3的2n加1次方+3的2N次方=324,试求n的值
若3的2n加1次方+3的2N次方=324,试求n的值
数学人气：528 ℃时间：2019-12-13 17:46:46
优质解答
3^（2n+1）+3^2n=3243*3^2n+3^2n=3244*3^2n=3243^2n=812n=4n=2.
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