If the root equation (a²-1)x+5|b|-10=0 had inn,(a,b) is
If the root equation (a²-1)x+5|b|-10=0 had inn,(a,b) is
英语翻译If the root of equation(a2-1)x+5|b|-10=0 had innumerabli
1.A particular equation is given by 2b = cd2.If the dimensio
1.If the equation m(x-1)=2001-n(x-2) for x has infinite root
已知集合A={x|x²-3x+2=0},B={x|x²+2(a+1)x+(a²-5)=0}
A function is defined by th equation d(x)=5(x-3)^2+1
椭圆x²/a²+y²/b²=1的左焦点F1(-c,0)A(-a,0)B(0,b)
设集合A={x|x²+4x=0},B={x|x²+2(a+1)x+a²-1=0},若B包含
1、若a,b是方程x²+3x-2011=0的两个实数根,求a²+b²+3a+3b的值.
已知方程(a²+b²)x²-2b(a+c)x+b²+c²=0中的字母a
a²+b²-6a+2b+10=0,求三次√a²-b²的值?
已知a²+b²-6a-2b+10=0,求a²-b²的立方根