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If 9x\(^2\) + 6xy + 4y\(^2\) is a factor of 27x\(^3\) - 8y\(^3\), find the...

Mathematics
JAMB 2010

If 9x\(^2\) + 6xy + 4y\(^2\) is a factor of 27x\(^3\) - 8y\(^3\), find the other factor.

  • A. 2y + 3x
  • B. 2y - 3x
  • C. 3x + 2y
  • D. 3x - 2y
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Correct Answer: Option D
Explanation

Given that \( 9x^2 + 6xy + 4y^2 \) is a factor of \( 27x^3 - 8y^3 \), we can express:

\(27x^3 - 8y^3 = (3x - 2y)(9x^2 + 6xy + 4y^2)\)

Thus, the other factor is: 3x - 2y

There is an explanation video available below.


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Explanation Video

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