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Q: Write the expanded form of (9a + 4b + 5c)². (9a + 4b + 5c)² को विस्तारित रूप में लिखिए।
  • A. 81a² + 16b² + 25c² + 72ab + 40bc + 100ac
  • B. 81a² + 16b² + 25c² + 72ab + 40bc + 90ac
  • C. 81a² + 16b² + 25c² + 76ab + 40bc + 90ac
  • D. 81a² + 16b²+ 25c² + 72ab + 35bc + 90ac
Correct Answer: Option B -
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Explanations:

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