Limit of Integral: x $\rightarrow$ 0, $\int{\sin{t^2}}dt$ 0 to 3

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Discussion Overview

The discussion revolves around evaluating the limit as x approaches 0 of the expression involving the integral of sin(t^2) from 0 to 3, specifically the limit of [(1/x^3) * integral from 0 to 3 of (sin(t^2))dt]. Participants explore different interpretations of the problem and the implications of the integral's limits.

Discussion Character

  • Mathematical reasoning, Debate/contested

Main Points Raised

  • One participant suggests using the mean value theorem for integrals to solve the limit problem.
  • Another participant reiterates the limit expression, confirming the integral's limits from 0 to 3.
  • One participant argues that since the integral from 0 to 3 is a constant, the limit simplifies to a form involving a constant divided by x^3.
  • A different viewpoint proposes that the problem would be clearer if the upper limit of the integral were x instead of 3, suggesting that this change would lead to a different limit result.

Areas of Agreement / Disagreement

Participants express differing views on the interpretation of the integral's limits, with some agreeing that the integral is a constant while others suggest a different upper limit would clarify the problem. No consensus is reached regarding the correct approach or interpretation.

Contextual Notes

There is ambiguity regarding the limits of the integral, which affects the evaluation of the limit expression. The assumption that the integral is from 0 to 3 is challenged by another participant who suggests an alternative upper limit.

ultrazyn
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limit as x approaches 0 of [(1/x^3) * integral from 0 to 3 of (sin(t^2))dt]

is the way to solve this using mean value theorem for integrals?

[tex]\lim_{x\rightarrow0}\frac{1}{x^3}\int{\sin{t^2}}dt[/tex] the integral is from 0 to 3
not sure if i did the latex right
 
Last edited:
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limit as x approaches 0 of [(1/x^3) * integral from 0 to 3 of (sin(t^2))dt]
[tex]\lim_{x \rightarrow 0} \frac{1}{x^3} \int_0^3 \sin{t^2} dt[/tex]
 
Last edited:
If the integral is, in fact, from 0 to 3, then it is just a constant. This is asking for
[tex]\lim_{x \rightarrow 0} \frac{c}{x^2}[/tex]
where c is a non-zero constant. Looks pretty easy to me.
 
The problem makes more sense (as a problem) if the upper limit of the integral is x, not 3. In that case, the answer is 1/3, assuming that the divisor is x3, not x2.
 

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