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Q: If the equation 3x² + 7xy + 2y² + 5x + 5y + k = 0 represents a pair of straight lines, then the value of k is /यदि समीकरण 3x² + 7xy + 2y² + 5x + 5y + k = 0 एक सरल रेखा युग्म को प्रदर्शित करता है, तो k का मान है
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Correct Answer: Option B -
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Explanations:

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