x^2/a^2y^2/b^2=1中,SPF1F2=b^2*tanβ/2m2-2m1-4m0Bx2^2-ax2)/(x1^2-ax1)1f(2x1)M=,N=y=(m-1)x2(m-2)x-11×21\2×31\3×4……1\49×500.802/1.25A={x|0<x-a≤5},B=f(X)满足f(0)=f(4)U={1,2,3,4,5}A={x|x2-3x2=0}B=A(5,2)和B(-3,0)y=x1分之x的平方-x2∩{P丨PA=PC}f{x}=lg{2x-3}0.n(n2)-n(n-2)=150n22n-n22n=1504n=150A:B=B:C=3COSACOSBCOSC(m1)x2-mxm-10ax*2bxc=0中-ac0X^2-3XY2Y^2g(x)=axb(a,b∈R)f[g(x)]=6x-7x^2-8x9f(x)=,B=|x-1|3=x^2(2x-14)/(x^2-1)=-1an=2a(n-1)(n2)/【n(n1)】(n≥2,n∈n*)limx*sin(1/x)
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