raices cuárticas

b = a^{4}+4·ax·(x+a)^{2}+(-2)·(ax)^{2}+x^{4}

2 > 1+4·(0.1)·(1.1)^{2}+(-2)·(0.1)^{2}+(0.1)^{4} & 2^{(1/4)} = 1.1...

2 > 1.4641

2 > (1.4641)+4·(1.1)·(0.08)·(1.18)^{2}+(-2)·( (1.1)·(0.08) )^{2}+(0.08)^{4} & 2^{(1/4)} = 1.18...

2 > 193877776

2.0000 | 1

1.0000 | 4·(0.1)·(1.21)+(-2)·(0.01)+(0.0001) = (0.4641)

0.5359 | 4·(1.1)·(0.08)·(1.3924)+(-2)·(0.007744)+(0.00004096) = (0.47467776)