\"\"

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The expression is \"\".

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The value are \"\", \"\" and \"\".

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\"\"     (Substitute \"\", \"\" and \"\")

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              \"\"         (Evaluate powers: \"\")

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              \"\"                (Multiply)

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              \"\"                      (Substitute: \"\" and \"\")

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              \"\"                        (Simplify)

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

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\"\"

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\"\".