Mathematic Problems
I=x2+1x2-2x23dx
I=x2+1x2-2x23dx
=x4-x2-2x23-x4x23-x2x23-2x23dx
=x103-x43-2x-23
I=x103dx-x43dx-2x-23dx
=x103+1103+1-x43+143+1-2x-23+1-23+1+C
I=313x133-37x73-6x13+C
I=313x133-37x73-6x13+C