$\"\"$

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The function $\"\"$ .

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The domain of a function is all possible values of $\"\"$ .

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Denominator of the function should not be the zero.

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$\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ and $\"\"$

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$\"\"$ and $\"\"$ .

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The function $\"\"$ is discontinuous at $\"\"$ and $\"\"$ .

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$\"\"$

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The function $\"\"$ .

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Factorize the denominator.

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$\"\"$

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$\"\"$

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Cancel the common terms.

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$\"\"$

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Non removable Discontinuity is $\"\"$ .

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The discontinuity that has been removed is $\"\"$ .

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$\"\"$

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Non removable Discontinuity is at $\"\"$ .

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Removable discontinuity is at $\"\"$ .