Write the correct alternative in the following:
If xy – log_e y = 1 satisfies the equation x(yy₂ + y₁²) – y₂ + λyy₁ = 0, then λ =

Given:

Differentiate w.r.t. ‘x’ on both sides;

Since

So,

Question

Write the correct alternative in the following: If xy – log e y = 1 satisfies the equation x(yy 2 + y 1 2 ) – y 2 + λyy 1 = 0, then λ =

Philoid · Accepted Answer

Given:

Differentiate w.r.t. ‘x’ on both sides;

Since

So,