Exercise: 17. Which numbers cannot be used in place of the variable in each rational expression?
Answer: 4, -4
Exercise 33. Reduce each rational expression to lowest term. Assume that the variables represent only numbers for which the denominators are nonzero
Exercise 77. Reduce each expression to lowest term
Exercise 87. Reduce each expression to lowest term
Exercise: 21. Perform the indicated operation
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Exercise: 17. Which numbers cannot be used in place of the variable ...
Rational expressions are reduced to lowest terms are determined. The variables in each rational expression is given.