(x + 1)*(x - 1)
d --((x + 1)*(x - 1)) dx
Apply the product rule:
; to find :
Differentiate term by term:
Apply the power rule: goes to
The derivative of the constant is zero.
The result is:
; to find :
Differentiate term by term:
Apply the power rule: goes to
The derivative of the constant is zero.
The result is:
The result is:
Now simplify:
The answer is: