If g(s, t) = f(s 2 t 2 , t 2 s 2 ) and
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If g(s, t) = f(s2 – t2, t2 – s2) and is differentiable, show that g satisfies the equation
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Т ag as +s ag at = 0
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Let x s 2 t 2 and y t 2 s 2 Then gs t fx y ...View the full answer
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