化简得:15x^3+29x^2+15x-32=0 (x≠0)
上式方程有数学软件Matlab解得:
>> p=[15,19,15,-32];
>> r=roots(p)
r =
-1.0344 + 1.2608i
-1.0344 - 1.2608i
0.8022
化简得:15x^3+29x^2+15x-32=0 (x≠0)
上式方程有数学软件Matlab解得:
>> p=[15,19,15,-32];
>> r=roots(p)
r =
-1.0344 + 1.2608i
-1.0344 - 1.2608i
0.8022