\"\"

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The functions are \"\" and \"\".

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Find \"\".

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\"\"                        (Original function)

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\"\"         (Substitute \"\")

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\"\"                  (Multiply)

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\"\"                              (Simplify)

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\"\"                       (Substitute \"\")

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\"\"                                        (Multiply)

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\"\"                                              (Simplify)

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\"\"                                (Substitute \"\")

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\"\"                                                   (Simplify)

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Therefore, the value of \"\" is \"\".

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\"\"

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\"\".