SOLUTION: sqrt( 15 )- sqrt ( 3/5 )
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Question 456568: sqrt( 15 )- sqrt ( 3/5 )
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
sqrt( 15 )- sqrt ( 3/5 )
=sqrt(15)-sqrt(3)/sqrt(5)
=(sqrt(75)-sqrt(3))/sqrt(5)
=(5sqrt(3)-sqrt(3))/sqrt(5)
=4sqrt(3)/sqrt(5)
=4sqrt(3)/sqrt(5) * sqrt(5)/sqrt(5)
=4sqrt(15)/5
.
Ed
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