$\"\"$

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The limit of the function is $\"\"$ and $\"\"$ .

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(a)

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Find $\"\"$ .

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Sum law of limit : $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$

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(b)

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Find $\"\"$ .

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If $\"\"$ then $\"\"$ .

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Product law of limit : $\"\"$ .

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$\"\"$

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$\"\"$ , when $\"\"$ .

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$\"\"$

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(c)

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Find $\"\"$ .

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If $\"\"$ then $\"\"$ .

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Product law of limit : $\"\"$ .

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$\"\"$

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$\"\"$ , when $\"\"$ .

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$\"\"$

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(a) $\"\"$ .

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(b) $\"\"$ , when $\"\"$ .

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(c) $\"\"$ , when $\"\"$ .