Question

(d(1+x)/(1-x))/ dx=?

Answer 1

Answer:

Step-by-step explanation:

(d(1+x)/(1–x))/dx

= (d+dx/1–x)×1/dx

= d+dx/dx–dx²

= d(1+x)/d(x–dx)

= (1+x)/(x–dx)