若3^3m+1=81,则m= ,若x^3*x^2n*x^2n+1=x^32则n=_数学解答

若3^3m+1=81,则m= ,若x^3*x^2n*x^2n+1=x^32则n=

人气：393 ℃　时间：2020-09-21 21:42:28

解答

3^4 = 81
即 3m+1 = 4
所以 m = 1
x^3*x^2n*x^2n+1 = x^(3+2n+2n+1) = x^(4n+4) = x^32
则 4n+4 = 32
所以 n = 7