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November 18, 2013
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 fórmulas

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SERGIOMARTIN

November 18, 2013
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  1. a) fracciones: a b en latex: {a} over {b}- 5

    3 , −3 2 , 5+ x 3−x , 12 7 + 2x−1 5 − 1 2 b) exponentes ax en latex: a ^ {x}. 52 , 3−4 , 2 1 2 , ( 255−1 2 1 2 ) 3 c) subindices a x en latez a_x. puntuacion 1 , puntuacion 2 , puntuacion 3 d) raices cuadradas √a en latex: sqrt {a} √2 , √3 , √5 , √2x−1 , √33 24 75 , √(2x5−1)3 e) raices de indice n n √a en latex: nroot {n}{a} 3 √2 5 √7 4 √2x−1 f) práctica. ✗ 5x2+3x−1=0 ✗ x2+2 3 =2x+1 ✗ a 5 x5+a 4 x4+a 2 x2+a 1 x+a 0 ✗ ( 2553−1 234+1 ) 10 ✗ ⃗ u+⃗ v=⃗ w ✗ ⃗ u+v , ̂ u−v , w 1 +w 2 , w 1 +w 2 ✗ 5∈ℕ→5∈ℤ→5∈ℚ→5∈ℝ→5∈ℂ ✗ f (x)={ 5x+1x⩽1 x2+3x−1x>1 }