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Let the surface z = f(x, y) be defined implicitly by the equation: x2 + 2y2 â 3z2 = 3 .
(a) Find the partial derivatives âz / âx . âz / ây
(b) Find the equation of the tangent plane at the point (2, â1, 1).
Please complete number 22 and explain step by step, thankyou.