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 Banco de Preguntas de Álgebra 1 FUERZA AÉREA ECUATORIANA. BANCO DE PREGUNTAS DE ÁLGEBRA PARA LOS ASPIRANTES A OFICIALES DE ARMA Y TÉCNICOS DE LA LXVI PROMOCIÓN ESMA. 1. Los factores del Polinomio X 3 -2X 2 -5X+6, SON: a. (X-1) (X+2)(X-3) b. (X+1) (X-2) (X+3) c. (X-1) (X+3) (X-6) d. (X+1) (X-3) (X+6) 2. Al simplificar totalmente la fracción compuesta  X  X  X  X  X  X 1 1 1 1 + +  ; SE OBTIENE: a. 1 b. 1 1 +  X  X  c. 1 1 2 2 +  X  X  d. 1 1 2 2 +  X  X  3. El conjunto solución del sistema:  4X+4Y-3Z=2  10X-8Y-9Z=0  2X+4Y+3Z=3 ESTA DADO POR: a. X= 1/2; Y=1/3; Z=1/4 b. X=1/2; Y=1/4; Z=1/3 c. X=1/2; Y=1/4; Z= -1/3 d. X=1/2; Y= -1/4; Z=1/3 4. El sistema de ecuaciones: 5 X+Y = 625; 625  X-Y  =5 TIENE POR SOLUCIÓN a) X=3 ; Y=1

Algebra

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