AP EAPCET 20-Aug-2021 Shift 1 Paper
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Question : 58 of 160
Marks:
+1,
-0
If tan θ 1 , tan θ 2 =
, then the chord joining 2 points θ 1 and θ 2 one the ellipse
+
= 1 will subtend a right angle at ______
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