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Mathematics 15 Online
OpenStudy (abb0t):

Limits

OpenStudy (abb0t):

@luigi0210 \[\lim_{x \rightarrow 0} \left ( \frac{3}{2x}-\frac{3}{2|x|} \right )\]

OpenStudy (luigi0210):

Latex no work for me

OpenStudy (abb0t):

OpenStudy (anonymous):

Is this a question, or is this for teaching him?

OpenStudy (luigi0210):

Solve how, algebraically?

OpenStudy (nincompoop):

I would approach it from negative infinity to zero and positive infinity to zero tabulate the results but that absolute value tells me that no limit exists

OpenStudy (anonymous):

to me the limit clearly converges on both sides, and exists.

OpenStudy (nincompoop):

then let us do the algebra

OpenStudy (anonymous):

limit does not exist

OpenStudy (nincompoop):

show your tabulation of DNE @sourwing

OpenStudy (anonymous):

Oh wait, I'm reading it wrong, the x is in denominator isn't it.

OpenStudy (anonymous):

When \(x>0\) then we know that the function is equal to \(0\).

OpenStudy (anonymous):

|x| = x for x > 0 and -x for x < 0. 0 for x > 0, and -4/(3x) for x < 0

OpenStudy (anonymous):

When \(x<0\) then we have \(\frac{6}{2x}\) which approaches \(-\infty\) when \(x\to 0\)

OpenStudy (abb0t):

Enjoy these problems, @Luigi0210

OpenStudy (luigi0210):

Dear lord abb0t

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