Solving Homework: Can You Find the Right Answer?

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Homework Help Overview

The discussion revolves around a homework problem likely involving integration, where participants are attempting to find a specific answer related to a mathematical expression. The original poster indicates a discrepancy between their answer and the expected result.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the transformation of the integrand and the implications of a substitution method. There is a recognition of a potential error in the original poster's approach, with some expressing frustration over overlooked mistakes.

Discussion Status

The conversation includes expressions of common challenges faced in similar problems, with some participants sharing relatable experiences. There is an ongoing exploration of the integrand's transformation, but no consensus has been reached regarding the correct approach or solution.

Contextual Notes

Participants are navigating the complexities of integration and substitution, with an emphasis on identifying mistakes in their reasoning. The original poster's claim of a specific answer contrasts with their calculated result, indicating a potential misunderstanding or miscalculation that remains unaddressed.

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Homework Statement


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Homework Equations


The Attempt at a Solution


The answer is 16, but I get 12 only

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The integrand becomes u^2. one 'u' from the xdx and the other from the original substitution.
 
Oster said:
The integrand becomes u^2. one 'u' from the xdx and the other from the original substitution.

Oh my god. How come I can't even notice such a silly mistake.
 
lol. happens to me a lot.
 

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