\"\"

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

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             \"\"          (Multiply)

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

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            \"\"                    (Simplify)

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

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\"\"

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\"\".