The value of $d^{2} - e^{2}$ is :

(d - d) (e - e)

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(d - e) (d - e)

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(d - e) (d + e)

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d^{2} - 2 e + e^{2}

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Solution

The correct option is A $(d - e) (d + e)$
$d^{2} - e^{2} = (d - e) (d + e)$

$R H S = (d - e) (d + e)$
$= d (d + e) - e (d + e)$
$= d^{2} + d e - d e - e^{2}$
$= d^{2} - e^{2}$
$= L H S$

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