\"\"

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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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               \"\"                        (Multiply)

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                \"\"                         (Add: \"\")

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

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                \"\"                         (Simplify)

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

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\"\"

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\"\".