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osanseviero
 one year ago
I need to find the natural domain of:
osanseviero
 one year ago
I need to find the natural domain of:

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

Easyaspi314
 one year ago
Best ResponseYou've already chosen the best response.1Domain is 2 < x < 1.

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

Easyaspi314
 one year ago
Best ResponseYou've already chosen the best response.1You 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.

Easyaspi314
 one year ago
Best ResponseYou've already chosen the best response.1NO! when x = 2 and x = 1, the denominator will equal 0, wjich is undefined!

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

Easyaspi314
 one year ago
Best ResponseYou've already chosen the best response.1practice solving x^2  x + 2 > 0

Easyaspi314
 one year ago
Best ResponseYou've already chosen the best response.1to makes ure you get 2 < x < 1

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