x⁢∫0x1-J0⁡(t)t⁢ⅆ⁡t=2⁢∑k=0∞(2⁢k+3)⁢(ψ⁡(k+2)-ψ⁡(1))⁢J2⁢k+3⁡(x)=x-2⁢J1⁡(x)+2⁢∑k=0∞(2⁢k+5)⁢(ψ⁡(k+3)-ψ⁡(1)-1)⁢J2⁢k+5⁡(x),