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What must be added to b2-3ab to make it a perfect square?

What must be added to b2-3ab to make it a perfect square?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A -3a
  • B -\(\frac{3}{2}\)
  • C \(\frac{9}{4}\)
  • D \(\frac{9a}{4}\)
  • E \(\frac{9^2}{4}\)
Correct Answer: Option E
Explanation:

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