Mathematic Problems
y=x3·x-1x
y=u·v=x3·x-1x
u=x3  ; u=x13  ;  u'=13x13-1  ;  u'=13x-23
v=x-1x  ;  v=x12-x-12  ;  v'=12x12-1--12x-12-1   ; v'=12x-12+12x-32
y'=13x-23·x12-x-12+x13·12x-12+12x-32
y'=13x-23+12-13x-23-12+12x13-12+12x13-32
y'=13x-4+36-13x-4-36+12x2-36+12x2-96
y'=13x-16-13x-76+12x-16+12x-76
y'=x-1613+12+x-76-13+12
y'=x-16·2+36+x-76·-2+36
y'=56·1x6+16·1x76
y'=56x6+16xx76
y'=56x6+16xx76