Question: Maple can simplify rational functions?

I have tried to solve a certain problem but I can't go on since

Maple can't do rational functions computation. 

 

 

questions.mw

 

I wanted to solve Wx1v for funcF1 but Maple couldn't. 

So I solved it manually. If I substitute F1 into Wx1v,

Maple should give 0. But it doesn't. Maple couldn't simplify

computations. Any help? Thanks!

 

 

 

 

 

 

 

 

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