如果27X ^ 3 8 = 0,则X = 2/3,如果√X ^ 3 = X,则X是
问题描述:
如果27X ^ 3 8 = 0,则X = 2/3,如果√X ^ 3 = X,则X是
答
.8立方27倍= 0×=号码的x ^ 3 = -8/27x = -2 / 3,如果X = X,则x的x ^ 3 = =χ^ 2×2 ^(-1的立方根)=为0x = 0时,x = 1