____________ 3 / 2 \/ x*(x + 1)
(x*(x + 1)^2)^(1/3)
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Apply the product rule:
; to find :
Apply the power rule: goes to
; to find :
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Differentiate term by term:
Apply the power rule: goes to
The derivative of the constant is zero.
The result is:
The result of the chain rule is:
The result is:
The result of the chain rule is:
Now simplify:
The answer is:
/ 2 \ 3 ___ 2/3 |(x + 1) x*(2 + 2*x)| \/ x *|x + 1| *|-------- + -----------| \ 3 3 / ----------------------------------------- 2 x*(x + 1)
/ 2/3 3 ___ \ ||1 + x| 2*\/ x *sign(1 + x)| (1 + 3*x)*|---------- + -------------------| | 2/3 3 _________ | 2/3 2/3 2/3 \ x \/ |1 + x| / 3*|1 + x| *(1 + 3*x) 6*|1 + x| *(1 + 3*x) 6*|1 + x| *(2 + 3*x) -------------------------------------------- - ---------------------- - ---------------------- + ---------------------- x 5/3 2/3 2/3 x x *(1 + x) x *(1 + x) ----------------------------------------------------------------------------------------------------------------------- 9*(1 + x)
/ 2/3 3 ___ \ / 2/3 3 ___ 2 3 ___ \ / 2/3 3 ___ \ / 2/3 3 ___ \ ||1 + x| 2*\/ x *sign(1 + x)| | |1 + x| \/ x *sign (1 + x) 2*sign(1 + x) 6*\/ x *DiracDelta(1 + x)| ||1 + x| 2*\/ x *sign(1 + x)| ||1 + x| 2*\/ x *sign(1 + x)| (1 + 3*x)*|---------- + -------------------| 2*(1 + 3*x)*|- ---------- - ------------------ + ---------------- + -------------------------| 2*(1 + 3*x)*|---------- + -------------------| 2*(2 + 3*x)*|---------- + -------------------| 2/3 | 2/3 3 _________ | | 5/3 4/3 2/3 3 _________ 3 _________ | 2/3 2/3 2/3 2/3 | 2/3 3 _________ | | 2/3 3 _________ | 2/3 2*|1 + x| \ x \/ |1 + x| / \ x |1 + x| x *\/ |1 + x| \/ |1 + x| / 5*|1 + x| *(1 + 3*x) 2*|1 + x| *(1 + 3*x) 10*|1 + x| *(2 + 3*x) 8*|1 + x| *(2 + 3*x) \ x \/ |1 + x| / 2*(1 + 3*x)*sign(1 + x) \ x \/ |1 + x| / 10*|1 + x| *(1 + 3*x) 4*(1 + 3*x)*sign(1 + x) 4*(2 + 3*x)*sign(1 + x) ------------ - -------------------------------------------- + ---------------------------------------------------------------------------------------------- + ---------------------- + ---------------------- - ----------------------- - ---------------------- - ---------------------------------------------- - ----------------------- + ---------------------------------------------- + ----------------------- - -------------------------- + -------------------------- 2/3 2 27*x 8/3 2/3 2 5/3 2/3 2 9*x*(1 + x) 5/3 3 _________ 9*x*(1 + x) 5/3 2/3 3 _________ 2/3 3 _________ x *(1 + x) 9*x 9*x x *(1 + x) 9*x *(1 + x) 3*x *(1 + x) 9*x *\/ |1 + x| 9*x *(1 + x) 9*x *(1 + x)*\/ |1 + x| 9*x *(1 + x)*\/ |1 + x| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 1 + x