Mathematics · Coordinate Geometry
What is the transformed equation of 3x2 - 4xy = r2 when the coordinate axes are rotated about the origin through an angle of Tan-1(2) in the positive direction?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1xy = r2
- 24y2 - x2 = r2✓
- 32xy + r2 = 0
- 4x2 - 4y2 = r2
Correct answer
4y2 - x2 = r2
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