y=xarcsin(x/2)+根号(4-x平方),求导数,麻烦写详细点,

y=xarcsin(x/2)+根号(4-x平方),求导数,麻烦写详细点, y=xarcsin(x/2)+根号(4-x平方),求导数,麻烦写详细点, y=(2+cosx)^x+1-x/1+xarcsin根号下1-x^2的导数 y=xarcsin根号下x/(1+x)+arctan根号下x-根号2-根号x求导 求解这个不定积分∫[xarcsin√(x^4+x^2)]+x^2*e^[-(x^3)]dx 上限1,下限-1 原式=∫[xarcsin√(x^4+x^2)]dx+∫x^2*e^[-(x^3)]dx 上限1,下限-1 =0+∫e^[-(x^3)]d(^[-(x^3)](-1/3)为什么分成两个定积分后,第一个定积分等于0呢? 已知4x2+9y-4x-6y+2=0 求根号y/根号x+根号y - 根号y/根号x-根号y快. 已知4x2+9y-4x-6y+2=0 求根号y/根号x+根号y - 根号y/根号x-根号y急用. 已知实数x.y满足根号(x+y-8)+根号(8-x-y)=根号(3x-y-4)+根号(x-2y+7),求x,y 已知x=2y,化简根号y/(根号x-根号y)-根号y/(根号x+根号y) 已知x=2y,化简根号y/(根号x-根号y)-根号y/(根号x+根号y) 已知x=2y,化简:根号y/根号x -根号y -根号y/根号x +根号y 已知x =2y 化简（根号y/根号x -根号y )-(根号y/根号x +根号y) 根号x+y-4加根号x-y-2=0,所以根号xy=? 已知根号4x-1+根号y+2=0,求根号x-y的值 (根号x+根号y-1)(1-根号y+根号x),其中x=3根号2, 4x-y/2根号x+根号y 9x-6根号xy+y/3根号x-根号y {（x-y)/(根号x+根号y)}-(x+y-2倍根号xy)/(根号x-根号y)=? 代数式求值.已知x=2,y=根号3,求 (根号x-根号y)/(根号x+根号y)+(根号x+根号y)/(根号x-根号y)已知x=2,y=根号3,求 (根号x-根号y)/(根号x+根号y)+(根号x+根号y)/(根号x-根号y)