GATE Civil Engineering 2019 Set 1 Q40: Find ∂ψ/∂x for x = ψ ln φ, y = φ ln ψ

Civil Engineering > GATE 2019 SET-1 > Calculus

Consider two functions: x = ψ ln φ and y = φ ln ψ. Which one of the following is the correct expression for ∂ψ/∂x?

(x ln ψ) / (ln φ ln ψ - 1)

(x ln φ) / (ln φ ln ψ - 1)

ln φ / (ln φ ln ψ - 1)

ln ψ / (ln φ ln ψ - 1)

Correct : d

Similar Questions