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求m的值[1109]若抛物线y~2-mx-2y+4m+1=0的准线与双曲线x~2/12-y~2/4=1的右准线重合,求m的值。(文华)求a,b的值[1203]整系数方程x~2+ax+b=0有实根α,β,且α~2+β~2<4,求a,b的值。(文华)求m取值范围[1205]若线段的端点A(0.3),B(3.0).抛物线的解析式为y=(x-m/2)~2+(m~2-4)/4,当抛物线与线段AB有且仅有一个交点时(不与A,B相交),求m的取值范围。(文华)证明你的结论[1207]函数f(x-2)=ax~2-(a-3)x+a-2(a∈(?))的图像经过点(m-2.0),m∈R,设g(x)=f[f(x)],F(x)=pg(x)+f(x)。问:是否存在实数p(p<0)使F(x)在区间(-∞,f(2))上是减函数,且在区间(f(2).0)上是增函数?并证明你的结论。
Find the value of m If the alignment of the parabola y2-mx-2y + 4m + 1 = 0 overlaps with the right alignment of the hyperbola x2 / 12-y2 / 4 = 1, value. (Mandarin) Find the value of a, b [1203] The whole coefficient equation x ~ 2 + ax + b = 0 has the real α, β, and α ~ 2 + β ~ 2 < (Mandarin) Find the value of m [1205] If the endpoint of the segment A (0.3), B (3.0) parabolic analytical formula for y = (xm / 2) ~ 2 + (m ~ 2-4) / 4 , When the parabola and the line AB and only one intersection (not with A, B intersection), find the value of m range. (Wen Hua) Prove Your Conclusions The image of the function f (x-2) = ax ~ 2- (a-3) x + a-2 Let g (x) = f [f (x)], F (x) = pg (x) + f (x). Q: Is there any real p (p <0) such that F (x) is a minus function over the interval (-∞, f (2)) and is an increasing function over the interval Your conclusion