JEE Main 7 Jan 2020 Shift 2 Solved Paper

Section: Mathematics
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Question : 61 of 75
 
Marks: +1, -0
If 3x+4y=122 is a tangent to the ellipse
x2
a2
+
y2
9
=1
for some a ∈ R, then the distance between the foci of the ellipse is :
[7 Jan 2020 Shift 2]
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