Given function is

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$\"\"$

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Let $\"\"$ ,then $\"\"$

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The above equation is in the form of quadratic equation

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i.e, $\"\"$

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The solution of the quadratic equation is $\"\"$

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Substitute the values $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The solution of the function $\"\"$ is $\"\"$ .