(adsbygoogle = window.adsbygoogle || []).push({}); Help urgently needed in Mathematica Simplify

Dear All,

I have a very longe expression (see file attached ) of variables x, a, Lambda... etc,

when I apply "Simplify" I am left only with very short expression

ONLY with variable Lambda.

But if in the initial expression I declare "a" variable as equal to one (a = 1) and afterwrds try to do simplification it gives me ZERO!!!.

So why this happen .. If the first "Simplify" tells me that the expression is dependent only on Lambda why "a" variable affects the result ...?

Pls heelp... what I do wrong...

George

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# Help ly needed in Mathematica Simplify

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