MAT334-2018F > MAT334--Lectures & Home Assignments

3.2 Q1?

(1/1)

**Ende Jin**:

There is no example in the book.

The only way I know is to translate it into multivariable calculus and use Lagrange multiplier. However, is there an easier way?

**Ende Jin**:

Never mind, I figured out that I can just specifically analyze.

In Q1, I just draw a graph to see that $|z+2|$ can be at most 3 while the numerator is always 1.

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