Yes or No? If No, give a reason. Assume that a and b arenonzero real numbers.6. (a) Is the sum of two rational numbers always a rationalnumber?(b) Is the sum of two irrational numbers always an irrationalnumber?7. (a) Is a b equal to b a?(b) Is 21a 52 equal to 2a 10?8. (a) Is the distance between any two different real numbersalways positive?(b) Is the distance between a and b the same as the distancebetween b and a?
Yes or No? If No, give a reason. Assume that a and b arenonzero real numbers.6. (a) Is the sum of two rational numbers always a rationalnumber?(b) Is the sum of two irrational numbers always an irrationalnumber?7. (a) Is a b equal to b a?(b) Is 21a 52 equal to 2a 10?8. (a) Is the distance between any two different real numbersalways positive?(b) Is the distance between a and b the same as the distancebetween b and a?
Chapter1: Prerequisites
Section1.1: Real Numbers: Algebra Essentials
Problem 64SE: Determine whether the statement is true or false: The product of a rational and irrational number is...
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Topic Video
Question
Yes or No? If No, give a reason. Assume that a and b are
nonzero real numbers.
6. (a) Is the sum of two rational numbers always a rational
number?
(b) Is the sum of two irrational numbers always an irrational
number?
7. (a) Is a b equal to b a?
(b) Is 21a 52 equal to 2a 10?
8. (a) Is the distance between any two different real numbers
always positive?
(b) Is the distance between a and b the same as the distance
between b and a?
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