Example 14: If z = f(x, y), where x = u ^ 2 - v ^ 2, y = 2u prove that z xx +z yy = x 4(u^ 2 +v^ 2 ) ( uu +z vv )
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Example 14: If z = f(x, y), where x = u ^ 2 - v ^ 2, y = 2u prove that z xx +z yy = x 4(u^ 2 +v^ 2 ) ( uu +z vv )
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.