Find the derivative.

[Guest]

Find the derivative.

y = (x + 1)^2(x2 + 1)^-3.


The answer I am getting is 2(x + 1)(x^2 + 1)^-4(2x^2 - 3x - 1)

am I messing up my signs?

 

[stapel]

I do get sign differences on a couple of the terms.

Please reply showing your steps.

Thank you.

Eliz.

 

[Guest]

-2(x + 1)(x^2 + 1)^-4(2x^2 + 3x - 1)