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

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Question 172936This question is from textbook Introductory Algebra
: Rationalize the denominator and simplify.
sqrt (81/40) This question is from textbook Introductory Algebra

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%2881%2F40%29=9%2Fsqrt%2840%29 multiply term by sqrt%2810%29
:
9sqrt%2810%29%2Fsqrt%28400%29
:
highlight%289sqrt%2810%29%2F20%29