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osanseviero
 2 years ago
I need to find the natural domain of:
osanseviero
 2 years ago
I need to find the natural domain of:

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osanseviero
 2 years ago
Best ResponseYou've already chosen the best response.0\[\frac{ x }{ \sqrt{x ^{2}x+2} }\] Can someone see if it is this?: dw:1382585115287:dw

osanseviero
 2 years ago
Best ResponseYou've already chosen the best response.0I think I am wrong :/

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0Domain is 2 < x < 1.

osanseviero
 2 years ago
Best ResponseYou've already chosen the best response.0shouldnt 2 and 1 be included?

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0You want to make sure that what is in the square root, namely x^2  x + 2 > 0. Solving that quadratic inequality, yields 2 < x < 1.

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0NO! when x = 2 and x = 1, the denominator will equal 0, wjich is undefined!

osanseviero
 2 years ago
Best ResponseYou've already chosen the best response.0Right! just noticed that! thanks

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0practice solving x^2  x + 2 > 0

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0to makes ure you get 2 < x < 1

osanseviero
 2 years ago
Best ResponseYou've already chosen the best response.0Just did it, thanks :)
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