Mark the correct alternative in each of the following: Which of the following transformations reduce the differential equation into the form

Question

Philoid · Accepted Answer

Dividing z(log z)² both sides we get,

--(1)

Put (log z)^-1 = u

Differentiate w.r.t x

Putting values in (1) we get,

The above equation is of the form

So the required substitution is u = (logz)^–1 = (C)