说说f(x)=xlnx (a-1)xy=cosx=sin(x 丌/2)说说f(x)=xlnx (a-1)xy=cosx=sin(x 丌/2)
问题描述:
说说f(x)=xlnx (a-1)xy=cosx=sin(x 丌/2)说说f(x)=xlnx (a-1)xy=cosx=sin(x 丌/2)
n2 2n-n2 2n=1502X-Y 3=0,L2:4X-2Y-1=0,L3:X Y-1=0
答
(m 1)x2-mx m-1>0因为x=3*3*3*(-5)=-135因为10^-6.5*10^4.5-10^-6.5 = -3.1622776601684 * 10 -7AD BE CF=(AB BC CA) (BC/2 CA/2 AB/2)