Mathematics · Analytical Geometry
The second-degree equation 2x2 - 6y2 - 12z2 + 18yz + 2xz + xy = 0 represents:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A cylinder
- 2A sphere
- 3A pair of planes✓
- 4A cone
Correct answer
A pair of planes
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