Question

if y =1+x^2/1-x^2 find dy/dx​

Answer 1

Answer:

dy/dx = -2/(1 - x)^2

Step-by-step explanation:

dy/dx = (1 + x)d/dx(1 - x) - (1 - x) d/dx(1 + x) ÷ (1 - x)^2

= [(1 + x)(-1)] - [(1 - x)(1)] ÷ (1 - x)^2

= -1 - x - 1 + x ÷ (1 - x)^2

dy/dx = -2/(1 - x)^2