设y=arcsin[(x-1)/2]-√(3+2x-x2),求y´
y'=1/√{1-[(x-1)/2]2}•1/2-1/[2√(3+2x-x2)]•(2-2x) =1/√[4-(x2-2x+1)]+(x-1)/[√(3+2x-x2)] =x/√(3+2x-x2)
设y=arcsin[(x-1)/2]-√(3+2x-x2),求y´
y'=1/√{1-[(x-1)/2]2}•1/2-1/[2√(3+2x-x2)]•(2-2x) =1/√[4-(x2-2x+1)]+(x-1)/[√(3+2x-x2)] =x/√(3+2x-x2)