find roots of the equation

Hi everyone,

I am trying to find the value of the root (lambda) for the equation below:

{1.003225155}^lambda-(int([{(.6*x^2+1)^1.813666667/(.375*x^2+1)^2.666666667}^lambda]*x, x = 0 .. 1)) = 0

Could you help me please?

[José-Luis]

 doc fzero