Question: D. Consider a function defined on R2 by (1 + xy) ' /1 if x +0 f(x. y) = if I = 0. Prove carefully

D. Consider a function defined on R2 by (1 + xy)
D. Consider a function defined on R2 by (1 + xy) ' /1 if x +0 f(x. y) = if I = 0. Prove carefully that f is continuous at (0, yo)

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