SOLUTION: Rationalize the denominator and simplify. sqrt 81/40

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Question 171988This question is from textbook Introductory Algebra
: Rationalize the denominator and simplify.
sqrt 81/40 This question is from textbook Introductory Algebra

Answer by KnightOwlTutor(293) About Me  (Show Source):
You can put this solution on YOUR website!
9/2sqrt 10
multiply the numerator and denominator by 2sqrt10
18sqrt10/40