SOLUTION: sqrt(14)-sqrt(2/7)

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Question 422635: sqrt(14)-sqrt(2/7)
Found 2 solutions by MathLover1, ceandra:
Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!


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Answer by ceandra(1)   (Show Source): You can put this solution on YOUR website!

I am guessing that the answer should be left as radicals, rather than punched into the calculator. So, lets examine the problem:

Split the numerator and denominator of the fraction
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Now we want to get the radical out of the denominator. Simply multiply by "1", or square root of seven over itself:
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Multiply through both numerator and denominator:
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Multiply the first radical by 7/7 to get common denominator:
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And simplify:
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