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OpenStudy (anonymous):
What is the exact value of the expression sqrt 7 + 2 sqrt 6 + 3 sqrt 7?
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OpenStudy (barrycarter):
The best you can do is combine like terms. The answer isn't rational
OpenStudy (anonymous):
is it 4 sqrt 7 +2 sqrt 6?
OpenStudy (anonymous):
@barrycarter
OpenStudy (barrycarter):
Yup, and that's the best you can do.
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