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Recapitulare pentru BAC

Curs: Recapitulare pentru BAC > Unitatea 5

Lecția 2: Operații cu vectori

Vector unitate

Ai putea avea nevoie de: Calculator

Selectează vectorul unitate cu aceeași direcție ca v, with, vector, on top, equals, left parenthesis, minus, 1, comma, minus, 7, right parenthesis.

(Varianta A)
left parenthesis, minus, start fraction, 1, divided by, square root of, 50, end square root, end fraction, comma, minus, start fraction, 7, divided by, square root of, 50, end square root, end fraction, right parenthesis
(Varianta B)
left parenthesis, start fraction, 1, divided by, 7, end fraction, comma, 1, right parenthesis
(Varianta C)
left parenthesis, minus, start fraction, 1, divided by, square root of, minus, 8, end square root, end fraction, comma, minus, start fraction, 7, divided by, square root of, minus, 8, end square root, end fraction, right parenthesis
(Varianta D)
left parenthesis, minus, 1, comma, 0, right parenthesis

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Recapitulare pentru BAC

Curs: Recapitulare pentru BAC > Unitatea 5

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