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OpenStudy (anonymous):
how can we show that given no. is rational or not rational
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OpenStudy (anonymous):
|dw:1366265133523:dw|
OpenStudy (campbell_st):
you need to distribute and you'll find that there will be a 2 terms involving radicals.
OpenStudy (campbell_st):
so its an irrational number...
OpenStudy (anonymous):
can we solve them
OpenStudy (anonymous):
like by solving , i got, (6/root2)-(3root2)+17
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OpenStudy (campbell_st):
that looks about right.... it can't be written as a fraction of 2 integers... a/b so its irrational
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