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anubhav gupta Grade: 11
        find the equation of tangents from the point 2,2  to the ellipse 4x2+9y2=36
7 years ago

Answers : (1)

bharat bajaj
IIT Delhi
askIITians Faculty
123 Points
										
In General, if the ellipse is :


x2/a2+y2/b2= 1


The equation of tangent is :


(xx1)/a2+(yy1)/b2= 1.




Hence, for this ellipse, the equation of tangent is :


8x + 18y = 36


or 4x + 9y = 18
Thanks & Regards


Bharat Bajaj
askiitian faculty
IIT Delhi







2 years ago
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