Question: Let u = (a, b) be a given vector and suppose that the head of n = (n, n) lies on the circle +=.

Let u = (a, b) be a given vector and suppose that

Let u = (a, b) be a given vector and suppose that the head of n = (n, n) lies on the circle +=. Find the vector n such that u-n is as big as possible. Find the actual value of u'n in this case.

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