Question

Diffrentiation of Y=1/a-x

Answer 1

Answer:

1/(a-x)²

Step-by-step explanation:

y=1/a-x

let z=a-x

dz/dx=0-1=-1--------------(1)

y=1/z=z^-1

dy/dz=d/dz(1/z)

=d/dz(z^-1)

=-1*z^-1-1

dy/dz=-z^-2 = -1/z²--------(2)

Now dy/dx=dy/dz*dz/dx

=-1/z²*(-1)

=1/z²

=1/(a-x)²