Question

已知关于X的方程a(3x-5)+b(4x+b）-16+33=0有无数多个解求ab的值?

Answer 1

3a+4b=0

b^2-5a-16+33=0

解得：

a =

[ 40/9-4/9*i*53^(1/2)]

[ 40/9+4/9*i*53^(1/2)]

b =

[ -10/3+1/3*i*53^(1/2)]

[ -10/3-1/3*i*53^(1/2)]