11. Find the equation of the tangent to the
ellipse (i) x2
/5 + y2
/4 = 1 passing through
the point (2, -2). ii) 4x2
+ 7y2
= 28 from the pt (3, -2).
iii) 2x2
+ y2
= 6 from the point (2, 1).
iv) x2
+ 4y2 = 9 which are parallel to the line
2x + 3y – 5 = 0 .
v) x2
/25 + y2
/4 = 1 which are parallel to
the line x + y + 1= 0.
vi) 5x2 + 9y2 = 45 which are ⊥ to the line
3x + 2y + y = 0.
vii) x2 + 4y2 = 20 , ⊥ to the line 4x+3y = 7.
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1 676 is your answer..........
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