Factorize $121 - x^{2}$ .

(11 - x)^{2}

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(11 - x) x

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(11 - x) (11 - x)

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(11 - x) (11 + x)

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(121 + x) (1 - x)

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Solution

The correct option is D $(11 - x) (11 + x)$
Given to factorize
$121 - x^{2}$
$= 11^{2} - x^{2}$ (it is in the form of $a^{2} - b^{2})$
$= (11 - x) (11 + x)$

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