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Math

sergio
November 22, 2012

 Math

sergio

November 22, 2012
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  1. Fracciones: a b 5 3 , −3 2 , 5+

    x 3−x , 12 7 − 2x−1 3 − 5 2 Exponentes: ax 52 , 3−4 , 2 1 2 , ( 255−1 2 1 5 ) 3 Subíndices: a x puntuación 1 , puntuación 2 , puntuación 3 Raíces cuadradas: √a √2 , √3 , √5 , √2x−1 , √33⋅24⋅75 , √(2x5−1)3 Raíces de indice n: n √a 3 √2 , 5 √7 , 4 √2x−1 Práctica: 5x2+3x−1=0 x2+2 3 =2x−1 a 5 x5+a 4 x4+a 3 x3+a 2 x2+a 1 x+a 0 ( 2553−1 234+1 ) 10 ⃗ v+⃗ u=⃗ 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+1 x⩽1 x2+3x−1 x>1 }