x^3+4x^2+(16/3)x+6有最值吗用导数证明

*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 2x-4,x^2+x-6,3x^2-12的最简公分母是 6x/x^2+x-12,x+2/3-x,x-1/x的最简公分母是? 求教数学多项式几个题目.设多项式p(x)=x³+3x²+ax+b与q(x)=x^4+x³+ax²+2x+b有公因式x+3,则p(x)与q(x)的最大公因式为?答案(x+3)(x-2）多项式x^4+2x³-4x²-2x+3与x³+4x²+x-6的最大公因 (x+3x+5x...+2009x)-(2x+4x+6x+...+2010x) 有一列单项式,:-x,2x,-3x,4x,-5x,6x,-7x.求排列规律 有一列单项式,:-x,2x,-3x,4x,-5x,6x,-7x.求排列规律? 求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) 分式x+1/x^2-4、x-3/x^2+2x的最简公分母是_______x+1/(x^2-4)、x-3/(x^2+2x) 分式x²+3x+2/x-1,x²-x-6/x+5,x²-2x-3/x-7的分母的最简公分母是 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x 难倒爱因斯坦的九宫格X 7 X | X 8 1 | X X X |X X X | X 4 X | 7 5 9 |X X 5 | 7 X 9 | X 1 4 |5 X X | X X 8 | 3 9 X |3 9 6 | 4 X 7 | X X 2 |X 8 7 | 9 X X | X X X |4 X X | 6 X 5 | X X X | X X 4 | X X 1 |2 X X | X X X | X X X | X 3 X | X X X |X 6 x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 如下9*9宫图如何填x x x 1 x x x 2 9x x 5 x x x x x 4x 6 8 x x x x x xx x x 7 x x 5 x xx 2 x x 6 x x 8 xx x 3 x x 9 x x xx x x x 5 x 1 6 x 4 x x x 3 x x x x 7 x x x x 2 x x x 7 X 4 6 1 2 X X XX 2 X X X 3 X X X 5 X X X 9 7 X 6 XX X 6 7 2 X 5 1 XX X 2 X X X 6 X XX 1 5 X 4 6 7 X X X 3 X 8 6 X X X 9X X X 1 X X X 7 XX X X 2 7 5 8 X 1第二道~X 9 X X 8 X X 1 XX 6 X X 2 X X 4 X1 X X X X X X X 59 5 X 7 3 4 X 6 16 7 X 8 X 2 X 3 4 设x= -5/2,求6x+(x/x-2 - x/x+2)/4x/x^4-2x^3+8x-16的值 设函数f(x)=x+4/x-6(x＞0)和g(x)=-x2+ax+m(a,m均为实数),且对于任意实数x,都有g(x)=g(4-x)成立 (1)求实(1)求实数a的值，(2)求函数f(x)=x+4/x-6(x＞0)的最值(3)令F（x）=f(x)-g（x），讨论实数m取何值时，函数F（x