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Question 619163:  What is the solution of function g^2,g^3,g^4,g^5,g^6 and g^30? 
 
The question give :  
g(x)=(x-1)/(x+1). 
 
I had ask my teacher,he said  
g^4(x)=x 
g^8(x)=x 
g^12(x)=x 
g^16(x)=x 
g^20(x)=x 
g^28(x)=x 
g^2g^28(x)=? 
g^2(x)=-(1)/(x) 
and can you prove to me why my teacher say like above? 
Thank You.. 
 
 Answer by Alan3354(69443)      (Show Source): 
You can  put this solution on YOUR website! What is the solution of function g^2,g^3,g^4,g^5,g^6 and g^30? 
 
The question give :  
g(x)=(x-1)/(x+1). 
 
I had ask my teacher,he said  
g^4(x)=x 
g^8(x)=x 
g^12(x)=x 
g^16(x)=x 
g^20(x)=x 
g^28(x)=x 
g^2g^28(x)=? 
g^2(x)=-(1)/(x) 
and can you prove to me why my teacher say like above? 
Thank You.. 
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That makes no sense.  Is there some other info? 
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