Q. If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and -3xz + 5x – 2xy, then the answer is:
  • (A) 5xy + 9yz + 3zx + 5x – 4y
  • (B) 5xy – 9yz + 3zx – 5x – 4y
  • (C) 5xy + 10yz + 3zx + 15x – 4y
  • (D) 5xy + 10yz + 3zx + 5x – 6y
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✅ Correct Answer: (A) 5xy + 9yz + 3zx + 5x – 4y

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Shiva Ram
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