6. Knowing the set of real numbers is not denumerable, prove the set of irrational numbers...

 

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6. Knowing the set of real numbers is not denumerable, prove the set of irrational numbers is not denumerable. 7. a) How many passwords use the digits 3,4,5,6,7,8 and 9 each exactly once? b) How many of those passwords begin and end with an even digit? 8. a) Calculate (a + x)³. b) Calculate (3x-2y)¹. 6. Knowing the set of real numbers is not denumerable, prove the set of irrational numbers is not denumerable. 7. a) How many passwords use the digits 3,4,5,6,7,8 and 9 each exactly once? b) How many of those passwords begin and end with an even digit? 8. a) Calculate (a + x)³. b) Calculate (3x-2y)¹. 6. Knowing the set of real numbers is not denumerable, prove the set of irrational numbers is not denumerable. 7. a) How many passwords use the digits 3,4,5,6,7,8 and 9 each exactly once? b) How many of those passwords begin and end with an even digit? 8. a) Calculate (a + x)³. b) Calculate (3x-2y)¹. 6. Knowing the set of real numbers is not denumerable, prove the set of irrational numbers is not denumerable. 7. a) How many passwords use the digits 3,4,5,6,7,8 and 9 each exactly once? b) How many of those passwords begin and end with an even digit? 8. a) Calculate (a + x)³. b) Calculate (3x-2y)¹.

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