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Posted: **Mon Jul 11, 2022 10:43 am**

: 4 Assume That Z And W Are Differentiable Functions Of X And Y Satisfying The Equations 18 0 Dz Xw Yz Z 1 And 1 (11.97 KiB) Viewed 20 times

4. Assume that z and w are differentiable functions of x and y, satisfying the equations 18=(0) dz xw² + yz²+z³ = -1 and zw-xz² + y²w=1. Then, at (x, y, z, w) = (1,-1,-1, 1), ax 5-60