Give a rigorus epsilon-delta proof that the function f: R^3 into R defined by f(x,y,z) = yx^2 + 2xz^2 is continuous at (1,1,1).
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Originally Posted by jburks100 Give a rigorus epsilon-delta proof that the function f: R^3 into R defined by f(x,y,z) = yx^2 + 2xz^2 is continuous at (1,1,1). suppose is given and choose now if then because we also have: thus:
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