СРОЧНОООО Только модераторы главный мозг или отличники! Решите пожалуйста номер 7 вариант b

Образец: а)
[tex] \sqrt( -1 + 3) {}^{2} + (5 - 2) {}^{2} + (9 - 4) {}^{2} = \sqrt{4 + 9 + 25} = \sqrt{38} [/tex]
[tex] \sqrt{(1 + 1) { }^{2} } + (8 - 5) { \\ }^{2} + (14 - 9) { }^{2} = 4 \\ \sqrt{4 + 9 + 25} = \sqrt{38} [/tex]
[tex] \sqrt{(1 + 3) { }^{2} } + (8 - 2) { }^{2} + (14 + 4) {}^{2} = \sqrt{16 + 36 + 100} = \sqrt{152} = 2 \sqrt{38} [/tex]
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