Math
      Exercise 3     
Choose the best answer. Perform the following operations and simplify whenever possible:
  Question 1:
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    (d)  | 
    
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        Use this rule:  | 
        
  Question 2:
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(c)  | 
    (d)  | 
    
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 ![]() ![]()  | 
  
  Question 3:
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    (b)  | 
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(c)  | 
    (d)  | 
    
(b)  | 
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      Make the denominators equal:  Common denominator is 6x3 
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  Question 4:
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(c)  | 
    (d)  | 
    
(d)  | 
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    Difference of squares  | 
  





