Question:medium

The maximum number of common normals of \( y^2 = 4ax \) and \( x^2 = 4by \) is equal to:

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When finding common normals to two conic sections, solving for the slopes of the normals from both curves typically gives the number of common normals. The number of solutions depends on the geometry and relative positioning of the curves.
Updated On: Nov 28, 2025
  • \( 3 \)
  • \( 4 \)
  • \( 5 \)
  • \( 6 \)