Question

the distance between A(a+b , a-b) and B(a-b , -a-b) is
$a) \: \sqrt{2( {a}^{2} } + {b}^{2} ) \\ b) \: 2( {a}^{2} - b {}^{2} ) \\ c) \: 2 \sqrt{ {a}^{2} } + {b}^{2} \\ d) \: 2 \sqrt{ {a}^{2} } - b {}^{2}$
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Answer 1

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Answer 2

Step-by-step explanation:

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