If , then vanishes when equals to , then the value of is equal to .....…

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Composite, Implicit, and Inverse Functions · Differentiation: Composite, Implicit, and Inverse Functions

Problem

If x+y=3e2x + y = 3e^2 , then D(xy)D(x^y) vanishes when xx equals to λe2\lambda e^2 , then the value of λ\lambda is equal to ..... .

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