\"\"

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The expression is  \"\".

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Method 1:-

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For any real number b and for any positive integer n, \"\".

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\"\"

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\"\"                     (Rewrite: \"\")

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\"\"

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\"\"

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Method 2:-

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\"\"         (Rewrite: \"\")

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\"\"                      (Apply Power of a power property: \"\")

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\"\"

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\"\"

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The value of the \"\" is 2.