$\"\"$

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The limit expression is $\"\"$ .

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Rationalise the denominator by $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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As $\"\"$ then $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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Graph :

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Graph the function $\"\"$ .

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$\"\"$

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Observe the graph.

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The value of the function as $\"\"$ tends to $\"\"$ , $\"\"$ approaches to $\"\"$ .

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Hence, $\"\"$ .

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$\"\"$

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$\"\"$ .