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18-06-2014
Physics

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What is the resultant of a and B if a= -2i - 5j and B = I - 4j

Respuesta :

18-06-2014

a= -2i - 5j
B = I - 4j

a + B = -2i -5j + 1i - 4j

a + B = -1i - 9j

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