AP EAPCET 20-Aug-2021 Shift 1 Paper

Section: Mathematics
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Question : 58 of 160
 
Marks: +1, -0
If tan‌θ1,tan‌θ2=
−a2
b2
, then the chord joining 2 points θ1 and θ2 one the ellipse
x2
a2
+
y2
b2
=1
will subtend a right angle at ______
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