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Q: If y-axis is generator line of the cone ax² + by² + cz² + 2fyz + 2gzx + 2hxy =0, then value of b is equal to
  • A. 1
  • B. –1
  • C.
  • D. None of these /इनमें से कोई नहीं
Correct Answer: Option C -
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Explanations:

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