$\"\"$

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The limit expression is $\"\"$ .

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(a)

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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(b)

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Apply L $\"\"$ Hospital $\"\"$ s Rule.

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L $\"\"$ Hospital $\"\"$ s Rule: If $\"\"$ or $\"\"$ then $\"\"$ .

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$\"\"$ .

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Consider $\"\"$ .

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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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$\"\"$

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$\"\"$

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$\"\"$

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Again apply L $\"\"$ Hospital $\"\"$ s Rule.

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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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Therefore, $\"\"$ .

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$\"\"$

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(c)

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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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As $\"\"$ approaches to $\"\"$ from right hand side, the function approaches to $\"\"$ .

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$\"\"$

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(a) $\"\"$ .

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(b) $\"\"$ .

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(c) Graph of the function $\"\"$ is

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$\"\"$ .