So you've already taken the first differentiation which is,
from the given equation we know that,
for later use, let's isolate from (1),
to find , differentiate the equation (2) w.r.t x,
So you've already taken the first differentiation which is,
from the given equation we know that,
for later use, let's isolate from (1),
to find , differentiate the equation (2) w.r.t x,