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Question number 12 please solve this problem step by step.....................

Question number 12 please solve this problem step by step..................... 

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Grade:12th pass

1 Answers

Arun
25750 Points
4 years ago
Dear student
 
when x = 1
 
then f(x) = (1 -1) /(1+1) = 0
 
when x greater than 1 or less than – 1
 
f(x) = 1/1 = 1
 
when x is between -1 and 1
 
then f(x) = -1/1 = – 1
 
hence Range of f(x) = { – 1, 0, 1}
 

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