hard conics question, please help! (1 Viewer)

[yorkstanham]

the equations of two ellipses are 1) 4x² + 9y² = 36 and 2) 2x² + 3y² = 30. A tangent to ellipse 1 meets ellipse 2 at points P and Q. Show that the tangents at P and Q to ellipse 2 are at right angles to each other.

Thanks

 

[namburger]

similar question:
http://community.boredofstudies.org/showthread.php?t=169251
Use the process there