+251 
my answer =
incorrect apparently...
the answer they want =
but I don't understand what i'm doing wrong?
any help is much appreciated,
Thankyou
+129852
∛ t - 1 / ∛t we can write this as
t^(1/3) - t^(-1/3) differentiating we have
(1/3) t^(-2/3) + (1/3)t^(-4/3) factor out (1/3)
(1/3) [ t^(-2/3) + t^(-4/3) ] =
.333333 [ t^(-.666666) + t^(-1.33333) ]
However.......we can actually express this more compactly as
(1/3)t^(-4/3) [ t^(2/3) + 1 ]
