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Tercero Medio
Ecuaciones Cuadrticas Formula General
La forma de las ecuaciones cuadraticas es ax4 + bx2 + c = 0 entonces la diferencia en la frmula ser que en lugar de poner x usaremos x2, queda entonces:
EMBED Equation.3
Revisemos unos ejemplos:
1) 4x4 - 13x2 + 3 = 0
aqu a=4, b=-13 y c=3; apliquemos la frmula
EMBED Equation.3
2) x4 - 17x2 + 16 = 0
aqu a=1, b=-17 y c=16; apliquemos la frmula
EMBED Equation.3
Siguiendo los pasos mostrados en los ejemplos anteriores, resuelve los siguientes ejercicios:
1) x4 - 5x2 + 4 = 0 2) x4 - 13x2 + 36 = 0 3) 9x4 - 46x2 + 5 = 0
4) 4x4 +15x2 4 = 0 5) x4 - 8x2 + 7 = 0 6) 16x4 + 7x2 9 = 0
7) 9x4 - 10x2 + 1 = 0 8) 4x4 - 37x2 + 9 = 0 9) (x2 + x)2 8(x2 + x) + 12 = 0
10) (x2 2x)2 11(x2 2x) + 24 = 0
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2017-01-04T17:00:39-03:00
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2017-01-04T17:00:39-03:00
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