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3*9^(x-1/2)-7*6^x+3*4^(x+1)=0

3*9^(x-1/2)-7*6^x+3*4^(x+1)=0 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
   x - 1/2      x      x + 1    
3*9        - 7*6  + 3*4      = 0
$$3 \cdot 4^{x + 1} + \left(- 7 \cdot 6^{x} + 3 \cdot 9^{x - \frac{1}{2}}\right) = 0$$
Gráfica
Respuesta numérica [src]
x1 = -95.0161482956131
x2 = -89.0161482956131
x3 = -79.0161482956158
x4 = -27.0201083101462
x5 = -51.0161485304947
x6 = -35.0163025845636
x7 = -57.0161483162337
x8 = -65.0161482964177
x9 = -47.0161494847019
x10 = -107.016148295613
x11 = -67.0161482959707
x12 = -105.016148295613
x13 = -71.0161482956837
x14 = -73.0161482956445
x15 = -33.0164954713536
x16 = -93.0161482956131
x17 = -91.0161482956131
x18 = -115.016148295613
x19 = -69.016148295772
x20 = 3.41902258270291
x21 = -61.0161482996863
x22 = -59.0161483047778
x23 = -111.016148295613
x24 = -29.0179068214193
x25 = -41.0161618401419
x26 = -101.016148295613
x27 = -99.0161482956131
x28 = -49.0161488240969
x29 = -31.016929570684
x30 = -23.0363204791133
x31 = -109.016148295613
x32 = -45.0161509710644
x33 = -53.0161484000049
x34 = -25.0250752618057
x35 = -77.0161482956193
x36 = -43.0161543153863
x37 = -83.0161482956136
x38 = -63.0161482974234
x39 = -75.016148295627
x40 = -113.016148295613
x41 = -39.0161787710001
x42 = -55.0161483420094
x43 = -97.0161482956131
x44 = -85.0161482956133
x45 = -103.016148295613
x46 = -87.0161482956132
x47 = -37.0162168662327
x48 = -81.0161482956143
x48 = -81.0161482956143
Gráfico
3*9^(x-1/2)-7*6^x+3*4^(x+1)=0 la ecuación