lopus
which is the domain of the following function



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lopus
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\[\sqrt{\frac{ x+1 }{ x2 }}\]

lopus
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\[( \infty,1] \cup (2,\infty) \]
or
\[( \infty,1] \cup [2,\infty)\]

dpaInc
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HINT: because the radicand is a rational expression, you can exclude x=2...

lopus
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dw:1352661106091:dw

lopus
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first option ?

dpaInc
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dw:1352661410273:dw

lopus
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1 include([) but 2 no (() ?

dpaInc
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sorry...
your first option is correct... include 1 but NOT 2

lopus
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thanks