Exercise 3.1.7: Find an example of a function f: [−1,1] - → R, where for A := = [0, 1], we have f\A(x) → 0 as x → 0, but the limit of f(x) as x→ 0 does not exist. Note why you cannot apply Proposition 3.1.15.

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Q: 3. Find a diagonal matrix similar to A =

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