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OpenStudy (anonymous):
how do i start the problem? this is on finding limits
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OpenStudy (anonymous):
hartnn (hartnn):
just plug in x=-3 :)
hartnn (hartnn):
The answer would be an imaginary number.
OpenStudy (anonymous):
i didn't do imaginary numbers
OpenStudy (anonymous):
i tried multiplying the conjugate and it didn't work ..... also when i plug in -3 i get a non real answer
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hartnn (hartnn):
http://www.wolframalpha.com/input/?i=limit+x-%3E%28-3%29%5E-++of+x%2Fsqrt%28x%5E2-16%29 the answer is an imaginary number, whether you do it or not :)
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