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For what values of m is \(9y^{2} + my + 4\) a perfect square?

For what values of m is \(9y^{2} + my + 4\) a perfect square?
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  • A \(\pm {2}\)
  • B \(\pm {3}\)
  • C \(\pm {6}\)
  • D \(+12\)
Correct Answer: Option D
Explanation:

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