A*y"+B*(1+y')^(1/2)=0 求原函数Y~

提问A={y/y^2-(a^2+a+1)y+a(a^2+1)>0} B={Y/Y^2-6y+8 已知集合A={y|y^2-(a^2+a+1)y+a(a^2+1)>0},B={y|y^2-6y+8 集合A={y|y=log2x},B={y|y=(1/2)^x},则A∩B=? A={(X,Y)|X+Y>=1},B={(X,y)|X^2+y^2=1},B={(X,y)|X^2+y^2 A*y+B*(1+y')^(1/2)=0 求原函数Y~ 已知3y+7/(y-1)(y-2)=A/y-1+B/y-2,则A=____,B=____ 填空：(b-a)(2x-y+1)=(a-b)( ) A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0A={(x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0 1、(-y^3)^5/y^3/ y^2+2(-y)^102、(x-y)^7/(y-x)^6+(x+y)^3/(x+y)^23、已知X^a=5,x^b=3,求X^(3a-2b)的值 已知a^x-y*a^2y+1=a^11,且b^x-1*b^4-y=b^5,求(x^2)*y的值 已知a^x-y*a^2y 1=a^11且b^x-1*b^4-y=b^5,求x^2y的值 集合A={(x,y)|x-2y=1}B={(x,y)|x+3y=6},则A∩B= A∪B=? A.y=sin(1/2)π B.y=cos2xC.y=1+sin3x D.y=cos3X 已知集合A={x,y|x^2+y^2=1},B={(x,y)|kx-y 已知集合A=｛y|y=log2x},B={y|y=(1/2)x,x 集合A={（x,y)|y=-x^2+mx-1},B={(x,y)|y=3-x,0 已知集合A={(x,y)|x+y=1},B={(x,y)|kx-y-2 规定a&b=a/5-(b-1)/3,若(y-3)&(1-2y)=2,则y=