Asked by Lane
Simplify 4sqrt6/ sqrt30 by rationalizing the denominator.
Need help can someone show me steps on how to do this
Need help can someone show me steps on how to do this
Answers
Answered by
bobpursley
multiply by sqrt30/sqrt30
you now have 4sqrt6*sqrt30/30
but sqrt 30=sqrt(5*6)=sqrt5*sqrt6
now you have 4sqrt6*sqrt6*sqrt5/30=24*sqrt5/30=.8 sqrt5
you now have 4sqrt6*sqrt30/30
but sqrt 30=sqrt(5*6)=sqrt5*sqrt6
now you have 4sqrt6*sqrt6*sqrt5/30=24*sqrt5/30=.8 sqrt5
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