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Exercício de geometria analitica

por rinaldo (ufam2014) Difícil Monday, June 16th, 2014

Exercício:

calcule as seguintes somas e diferenças:

a) (i2j−3k)+(2i−j+5k)

b)(−i+5j−6k)+(6i+j−k)+(i−2j+6k)

c) (2i+j−3k)−(6i+2j+k)

 

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