Question: Let f(x) be a function, and ||f|| its L2 norm on [a,b]. Is ||f2|| = ||f||2? If yes, prove the statement. If no, give a

Let f(x) be a function, and ||f|| its L2 norm on [a,b]. Is ||f2|| = ||f||2? If yes, prove the statement. If no, give a counterexample.

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