Bx+c d=262x+p)-1Bp+C 2 x t px+q x t px t q Bp-2C BInx px+ q 2 x t px t q Bp-2C d x BInx+px+ 2 2 2 x +(q-") 2021/2/202021/2/20 5   + + + − + = + + + dx x px q B x p B p C dx x px q B x C 2 2 1 2 1 2 (2 ) (3)  + + − = + + − x px q B p C dx B x px q 2 2 2 2 ln 2 1  + + − − = + + − 2 ( ) ( ) 2 ln 2 1 4 2 2 2 2 p p x q Bp C dx B x px q