. Suppose that F(t) is a twice-differentiable function of one variable. Define the function f(x, y) = yF (2) for {(x, y) = R², y = 0}. Show that x² fxx = y² fyy.

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Chapter3: Functions
Section3.3: More On Functions; Piecewise-defined Functions
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3. Suppose that F(t) is a twice-differentiable function of one variable. Define the function
f(x, y) = yF (#) for {(x, y) = R², y ‡ 0}. Show that
x² fxx = y² fyy.
Transcribed Image Text:3. Suppose that F(t) is a twice-differentiable function of one variable. Define the function f(x, y) = yF (#) for {(x, y) = R², y ‡ 0}. Show that x² fxx = y² fyy.
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