JEE Main 8 Apr 2019 Paper 1 Solved Paper

Section: Mathematics
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Question : 89 of 90
 
Marks: +1, -0
If the tangents on the ellipse 4x2+y2=8 at the points (1, 2) and (a, b) are perpendicular to each other, then a2 is equal to:
[8 Apr 2019 Shift 1]
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